Install net framework 4 5
Author: s | 2025-04-25
Install .NET Framework 2.0 on Embedded XP (Win XPE) 5.NET Framework 3.5 wont install on VISTA 32bit. 4. Installing .NET Framework. 0.NET Framework at Windows 7. 3 Install the .NET Framework 4 or later. To download the .NET Framework 4, see Microsoft .NET Framework 4 (Web Installer). To download the .NET Framework 4 Client
The .NET Framework 4.5.1 (Offline Installer) and .NET Framework 4
On This Page :What’s New in .NET 5.NET 5 Supported Systems.NET 5 Download.NET 5 Install"> Home News What Is .NET Core 5 & Download .Net 5 (Windows, macOS, Linux) By Daisy | Follow | Last Updated November 10, 2022 .NET 5 is the successor to .NET Core 3.1 and .NET Framework 4.8, designed to provide .NET developers with a new cross-platform development experience. This post from MiniTool tells you how to download and install .NET Core 5.On This Page :What’s New in .NET 5.NET 5 Supported Systems.NET 5 Download.NET 5 InstallWhat’s New in .NET 5.NET 5 is the next major release after .NET Core 3.1. Microsoft named this new version .NET 5 instead of .NET Core 4 for two reasons:Skipped version number 4.x to avoid confusion with .NET Framework 4.x.Removed “Core” from the name to emphasize that this is the main implementation of the future of .NET. .NET 5 supports more types of applications and more platforms than .NET Core or .NET Framework.ASP.NET Core 5.0 is based on .NET 5, but the name “Core” is reserved to avoid confusion with ASP.NET MVC 5. Likewise, Entity Framework Core 5.0 reserves the name “Core” to avoid compatibility with Entity Framework 5 and 6.Compared to .NET Core 3.1, .NET 5 includes the following improvements and new features:C# updateF# updateVisual Basic UpdateNew in System.Text.Jsonsingle file applicationApply to pruneWindows Arm64 and Arm64 intrinsicsTool support for dump debuggingPerformance improvements.NET 5 Supported SystemsIt is only compatible with Visual Studio 2019 16.8 Preview 4 and above. .NET 5
How To Download / Install Net Framework 4 5 On Windows 7 . Net
The Microsoft .NET Framework 4.6 CTP 5 is a highly compatible, in-place update to the Microsoft .NET Framework 4, .NET Framework 4.5, .NET Framework 4.5.1 and .NET Framework 4.5.2. The offline package can be used in situations where the web installer cannot be used due to lack of internet connectivity.Important! Selecting a language below will dynamically change the complete page content to that language.File Name:NDP46-KB3006563-x86-x64-AllOS-ENU.exeThis is an offline installer. Supported Operating SystemsWindows 7 Service Pack 1, Windows 8, Windows 8.1, Windows Server 2008 R2 SP1, Windows Server 2008 Service Pack 2, Windows Server 2012, Windows Server 2012 R2, Windows Vista Service Pack 2Hardware Requirements:1 GHz or faster processor512 MB of RAM 2.2 GB of available hard disk space (x86)3 GB of available hard disk space (x64)On this page, choose the Download button.To install the software now, choose the Run button.To install the software later, choose the Save button. (When you install, the computer does not have to be connected to the Internet.)This version of the .NET Framework runs side-by-side with the .NET Framework 3.5 SP1 and earlier versions, but performs an in-place update for the .NET Framework 4, .NET Framework 4.5, .NET Framework 4.5.1 and .NET Framework 4.5.2.Installing the .NET Framework 4 on Win
Copilot is your AI companionAlways by your side, ready to support you whenever and wherever you need it..NET Framework 4.5 is a highly compatible, in-place update to .NET Framework 4.Important! Selecting a language below will dynamically change the complete page content to that language.File Name:dotNetFx45_Full_setup.exeThe .NET Framework 4.5 is a highly compatible, in-place update to the .NET Framework 4. By using the .NET Framework 4.5 together with the C#, Visual Basic, or F# programming language, you can write Windows apps. The .NET Framework 4.5 includes significant language and framework enhancements for C#, Visual Basic, and F# (so that you can more easily write asynchronous code), the blending of control flow in synchronous code, a responsive UI, and web app scalability . The .NET Framework 4.5 adds substantial improvements to other functional areas such as ASP.NET, Managed Extensibility Framework, Windows Communication Foundation, Windows Workflow Foundation, and Windows Identity Foundation. The .NET Framework 4.5 delivers better performance, reliability, and security. For more information about these and other features of the .NET Framework 4.5, see the .NET Framework Developer Center website.Note: The .NET Framework 4.5 redistributable was updated on 10/9/2012 to correct an issue related to an improper timestamp on a digital certificate which causes the digital signature on files produced and signed by Microsoft to expire prematurely. We recommend customers that previously installed the .NET 4.5 redistributable package dated 8/16/2012 install this updated .NET 4.5 redistributable package. More information about the issue can be found Microsoft Security Advisory 2749655.Supported Operating SystemsWindows 7 Service Pack 1, Windows Server 2008 R2 SP1, Windows Server 2008 Service Pack 2, Windows Vista Service Pack 2Windows Vista SP2 (x86 and x64)Windows 7 SP1 (x86 and x64)Windows Server 2008 R2 SP1 (x64)Windows Server 2008 SP2 (x86 and x64)Hardware Requirements:1 GHz or faster processor512 MB of RAM850 MB of available hard disk space (x86)2 GB hard drive (x64)Note: Windows 8 and Windows Server 2012 include the .NET Framework 4.5. Therefore, you don't have to install this software on those operating systems. On this page, choose the Download button.To install the software now, choose the Run button.To install the software later, choose the Save button. (When you install, the computer must be connected to the Internet.)This version of the .NET Framework runs side-by-side with the .NET Framework 3.5 and earlier versions, but performs an in-place update for the .NET Framework 4. For important information about this release, see the .NET. Install .NET Framework 2.0 on Embedded XP (Win XPE) 5.NET Framework 3.5 wont install on VISTA 32bit. 4. Installing .NET Framework. 0.NET Framework at Windows 7. 3 Install the .NET Framework 4 or later. To download the .NET Framework 4, see Microsoft .NET Framework 4 (Web Installer). To download the .NET Framework 4 ClientDownload And Install .NET Framework 5
メイン コンテンツにスキップ このブラウザーはサポートされなくなりました。 Microsoft Edge にアップグレードすると、最新の機能、セキュリティ更新プログラム、およびテクニカル サポートを利用できます。 Install .NET Framework on Windows and Windows Server [アーティクル]02/21/2025 この記事の内容 -->.NET Framework is included on all current versions of Windows and Windows Server. This article helps you understand which version of .NET Framework is included in Windows and Windows Server, and if an upgrade is available.The latest version of .NET Framework is 4.8.1. This version of .NET Framework supports all .NET Framework 4 apps. For more information about a specific release of .NET Framework, see .NET Framework versions and dependencies.Note.NET Framework is a Windows-only technology, and is separate from .NET (formerly called .NET Core). For more information, see Introduction to .NET.Supported versions of .NET FrameworkThe following versions of .NET Framework are still supported:.NET Framework 4.8.1.NET Framework 4.8.NET Framework 4.7.2.NET Framework 4.7.1.NET Framework 4.7.NET Framework 4.6.2 (support ends January 12, 2027).NET Framework 3.5 Service Pack 1 (support ends January 9, 2029).NET Framework 3.5.NET Framework 3.5 is still supported by Microsoft, even though it's an older version of .NET Framework. However, only the .NET Framework 3.5 runtime is supported, which runs apps. Developing new apps that target .NET Framework 3.5 isn't supported. This version of .NET Framework supports running apps that target versions 1.0 through 3.5, and can be installed alongside .NET Framework 4.If you try to run an app that targets .NET Framework 1.0 through 3.5, and .NET Framework 3.5 is missing, you're prompted to install it. For more information, see Install .NET Framework 3.5 on Windows..NET Framework 4.xAll .NET Framework 4.x versions are in-place updates. Only a single 4.x version can be present on Windows. Because .NET Framework is installed as part of Windows, consider that:If there's a later 4.x version installed on the machine already, you can't install a previous 4.x version.If the OS comes preinstalled with a particular .NET Framework version, you can't install a previous 4.x version on the same machine.If you install a later version, you don't have to first uninstall the previous version.Developers and Visual StudioVisual Studio uses .NET Framework Developer Packs to support targeting specific versions of .NET Framework 4. If you're a developer who must work on a project targeting an old version of .NET Framework 4, install the corresponding developer pack. For more information, see Install .NET Framework for developers.Windows 11.NET Framework 4.8 was originally included with Windows 11. Starting with Windows 11 22H2 (released September 2022), .NET Framework 4.8.1 is included.In the following table, ❌ represents an unsupported version of Windows 11 and ✔️ represents a supported version of Windows 11. The table also describes which version of .NET Framework is included with Windows 11, and which version of .NET Framework you can upgrade to.Windows 11 version.NET Framework includedLatest .NET Framework supported✔️ 24H2 (Octoberinstallation - Unable to install application with Net Framework 4
Version 4.1 from NSI.com.ActiveSync version 3.8 or higher.Microsoft .NET Compact Framework 1.0Windows MobileWindows Mobile 2003 Windows Pocket PC 2003 Windows Mobile 2003, 2nd edition Windows Pocket PC 2003, 2nd editionSee Table 2-5, "Pocket PC and Windows Mobile Supported Platforms" for full details.If using synchronization, use either IBMJ9 or the CrEme JDK version 4.1 from NSI.com.ActiveSync version 3.8 or higher.Microsoft .NET Compact Framework 1.1Windows Mobile 5Windows Mobile 5 for Pocket PCWindows Mobile 5 for Pocket PC Phone EditionWindows Mobile 5 AKU2If using synchronization, use either IBMJ9 or the CrEme JDK version 4.1 from NSI.com.ActiveSync version 4.1 or higher.Microsoft .NET Compact Framework 1.1 or 2.0Windows Mobile 6Windows Mobile 6 ClassicWindows Mobile 6 ProfessionalIf using synchronization, use either IBMJ9 or the CrEme JDK version 4.1 from NSI.com.ActiveSync version 4.5 or higher.Microsoft .NET Compact Framework 1.1 or 2.0You should install all of the patches required for the JDK for the Windows operating system. This is constantly under review and published on the JDK download page on the Sun Microsystems Web site.2.1.2 Supported and Certified Technologies for Native Mobile ClientsThe following are the supported and certified technologies for native SQLite Mobile clients:Note:Ensure that after you install the required software, that they the appropriate directories are included in the PATH. For example, after you install the JDK, ensure that the JAVA_HOME is included in the PATH.Table 2-4 Supported and Certified Technologies for Native Mobile ClientsDevice PlatformSupported TechnologiesCertified TechnologiesWin32Sun Microsystems Java Runtime Edition 5.0ADO.Net 1.1 – requires Microsoft .Net Framework 1.1 or 2.0ADO.Net 2.0 – requires Microsoft .Net Framework 2.0 Windows CEADO.Net 1.1 (Requires Microsoft Compact .Net Framework 1.0 + Service Pack 2) or 2.0ADO.Net 2.0 – requires Microsoft .Net Compact Framework 2.0Microsoft ActiveSync version 3.8 or for Windows CE 5.0, use Microsoft ActiveSync version 4.1 or higher.Oracle Database Lite is certified with the following JVMs on Windows Mobile 2003 Second Edition:IBM J9 Websphere Everyplace Micro Environment for Windows Mobile 2003 ARM Personal ProfileCreme JVM 4.1, which can be obtained at x86RedHat Enterprise Linux AS release 4JavaSoft Java Runtime Edition 1.4.2For each native platform, a CAB file is downloaded from the setup page. The naming structure for each CAB file is as follows: sqlite_sync....cabTable 2-5 Pocket PC and Windows Mobile Supported PlatformsProduct NameWinCE VersionChipsetsSQLite Client CAB file download from Setup pagePocket PC 2003 Windows Mobile 20034.20.1081ARMV4SQLite PPC2003 ARMV4, which uses the sqlite_sync..ppc2003.armv4.cabWindows Mobile 2003 2nd Edition4.21.1088ARMV4SQLite PPC2003 ARMV4, which uses the sqlite_sync..ppc2003.armv4.cabWindows Mobile 5 and Windows MobileThe .NET Framework 4.5.1 (Offline Installer) and .NET Framework 4
.NET Framework 4.5 is a highly compatible, in-place update to .NET Framework 4.Important! Selecting a language below will dynamically change the complete page content to that language.Date Published:15/07/2024File Name:dotNetFx45_Full_setup.exeThe .NET Framework 4.5 is a highly compatible, in-place update to the .NET Framework 4. By using the .NET Framework 4.5 together with the C#, Visual Basic, or F# programming language, you can write Windows apps. The .NET Framework 4.5 includes significant language and framework enhancements for C#, Visual Basic, and F# (so that you can more easily write asynchronous code), the blending of control flow in synchronous code, a responsive UI, and web app scalability . The .NET Framework 4.5 adds substantial improvements to other functional areas such as ASP.NET, Managed Extensibility Framework, Windows Communication Foundation, Windows Workflow Foundation, and Windows Identity Foundation. The .NET Framework 4.5 delivers better performance, reliability, and security. For more information about these and other features of the .NET Framework 4.5, see the .NET Framework Developer Center website.Note: The .NET Framework 4.5 redistributable was updated on 10/9/2012 to correct an issue related to an improper timestamp on a digital certificate which causes the digital signature on files produced and signed by Microsoft to expire prematurely. We recommend customers that previously installed the .NET 4.5 redistributable package dated 8/16/2012 install this updated .NET 4.5 redistributable package. More information about the issue can be found Microsoft Security Advisory 2749655.Supported Operating SystemsWindows 7 Service Pack 1, Windows Server 2008 R2 SP1, Windows Server 2008 Service Pack 2, Windows Vista Service Pack 2Windows Vista SP2 (x86 and x64)Windows 7 SP1 (x86 and x64)Windows Server 2008 R2 SP1 (x64)Windows Server 2008 SP2 (x86 and x64)Hardware Requirements:1 GHz or faster processor512 MB of RAM850 MB of available hard disk space (x86)2 GB hard drive (x64)Note: Windows 8 and Windows Server 2012 include the .NET Framework 4.5. Therefore, you don't have to install this software on those operating systems. On this page, choose the Download button.To install the software now, choose the Run button.To install the software later, choose the Save button. (When you install, the computer must be connected to the Internet.)This version of the .NET Framework runs side-by-side with the .NET Framework 3.5 and earlier versions, but performs an in-place update for the .NET Framework 4. For important information about this release, see the .NET Framework 4.5 Readme File.. Install .NET Framework 2.0 on Embedded XP (Win XPE) 5.NET Framework 3.5 wont install on VISTA 32bit. 4. Installing .NET Framework. 0.NET Framework at Windows 7. 3 Install the .NET Framework 4 or later. To download the .NET Framework 4, see Microsoft .NET Framework 4 (Web Installer). To download the .NET Framework 4 ClientComments
On This Page :What’s New in .NET 5.NET 5 Supported Systems.NET 5 Download.NET 5 Install"> Home News What Is .NET Core 5 & Download .Net 5 (Windows, macOS, Linux) By Daisy | Follow | Last Updated November 10, 2022 .NET 5 is the successor to .NET Core 3.1 and .NET Framework 4.8, designed to provide .NET developers with a new cross-platform development experience. This post from MiniTool tells you how to download and install .NET Core 5.On This Page :What’s New in .NET 5.NET 5 Supported Systems.NET 5 Download.NET 5 InstallWhat’s New in .NET 5.NET 5 is the next major release after .NET Core 3.1. Microsoft named this new version .NET 5 instead of .NET Core 4 for two reasons:Skipped version number 4.x to avoid confusion with .NET Framework 4.x.Removed “Core” from the name to emphasize that this is the main implementation of the future of .NET. .NET 5 supports more types of applications and more platforms than .NET Core or .NET Framework.ASP.NET Core 5.0 is based on .NET 5, but the name “Core” is reserved to avoid confusion with ASP.NET MVC 5. Likewise, Entity Framework Core 5.0 reserves the name “Core” to avoid compatibility with Entity Framework 5 and 6.Compared to .NET Core 3.1, .NET 5 includes the following improvements and new features:C# updateF# updateVisual Basic UpdateNew in System.Text.Jsonsingle file applicationApply to pruneWindows Arm64 and Arm64 intrinsicsTool support for dump debuggingPerformance improvements.NET 5 Supported SystemsIt is only compatible with Visual Studio 2019 16.8 Preview 4 and above. .NET 5
2025-04-11The Microsoft .NET Framework 4.6 CTP 5 is a highly compatible, in-place update to the Microsoft .NET Framework 4, .NET Framework 4.5, .NET Framework 4.5.1 and .NET Framework 4.5.2. The offline package can be used in situations where the web installer cannot be used due to lack of internet connectivity.Important! Selecting a language below will dynamically change the complete page content to that language.File Name:NDP46-KB3006563-x86-x64-AllOS-ENU.exeThis is an offline installer. Supported Operating SystemsWindows 7 Service Pack 1, Windows 8, Windows 8.1, Windows Server 2008 R2 SP1, Windows Server 2008 Service Pack 2, Windows Server 2012, Windows Server 2012 R2, Windows Vista Service Pack 2Hardware Requirements:1 GHz or faster processor512 MB of RAM 2.2 GB of available hard disk space (x86)3 GB of available hard disk space (x64)On this page, choose the Download button.To install the software now, choose the Run button.To install the software later, choose the Save button. (When you install, the computer does not have to be connected to the Internet.)This version of the .NET Framework runs side-by-side with the .NET Framework 3.5 SP1 and earlier versions, but performs an in-place update for the .NET Framework 4, .NET Framework 4.5, .NET Framework 4.5.1 and .NET Framework 4.5.2.
2025-04-23メイン コンテンツにスキップ このブラウザーはサポートされなくなりました。 Microsoft Edge にアップグレードすると、最新の機能、セキュリティ更新プログラム、およびテクニカル サポートを利用できます。 Install .NET Framework on Windows and Windows Server [アーティクル]02/21/2025 この記事の内容 -->.NET Framework is included on all current versions of Windows and Windows Server. This article helps you understand which version of .NET Framework is included in Windows and Windows Server, and if an upgrade is available.The latest version of .NET Framework is 4.8.1. This version of .NET Framework supports all .NET Framework 4 apps. For more information about a specific release of .NET Framework, see .NET Framework versions and dependencies.Note.NET Framework is a Windows-only technology, and is separate from .NET (formerly called .NET Core). For more information, see Introduction to .NET.Supported versions of .NET FrameworkThe following versions of .NET Framework are still supported:.NET Framework 4.8.1.NET Framework 4.8.NET Framework 4.7.2.NET Framework 4.7.1.NET Framework 4.7.NET Framework 4.6.2 (support ends January 12, 2027).NET Framework 3.5 Service Pack 1 (support ends January 9, 2029).NET Framework 3.5.NET Framework 3.5 is still supported by Microsoft, even though it's an older version of .NET Framework. However, only the .NET Framework 3.5 runtime is supported, which runs apps. Developing new apps that target .NET Framework 3.5 isn't supported. This version of .NET Framework supports running apps that target versions 1.0 through 3.5, and can be installed alongside .NET Framework 4.If you try to run an app that targets .NET Framework 1.0 through 3.5, and .NET Framework 3.5 is missing, you're prompted to install it. For more information, see Install .NET Framework 3.5 on Windows..NET Framework 4.xAll .NET Framework 4.x versions are in-place updates. Only a single 4.x version can be present on Windows. Because .NET Framework is installed as part of Windows, consider that:If there's a later 4.x version installed on the machine already, you can't install a previous 4.x version.If the OS comes preinstalled with a particular .NET Framework version, you can't install a previous 4.x version on the same machine.If you install a later version, you don't have to first uninstall the previous version.Developers and Visual StudioVisual Studio uses .NET Framework Developer Packs to support targeting specific versions of .NET Framework 4. If you're a developer who must work on a project targeting an old version of .NET Framework 4, install the corresponding developer pack. For more information, see Install .NET Framework for developers.Windows 11.NET Framework 4.8 was originally included with Windows 11. Starting with Windows 11 22H2 (released September 2022), .NET Framework 4.8.1 is included.In the following table, ❌ represents an unsupported version of Windows 11 and ✔️ represents a supported version of Windows 11. The table also describes which version of .NET Framework is included with Windows 11, and which version of .NET Framework you can upgrade to.Windows 11 version.NET Framework includedLatest .NET Framework supported✔️ 24H2 (October
2025-04-19Version 4.1 from NSI.com.ActiveSync version 3.8 or higher.Microsoft .NET Compact Framework 1.0Windows MobileWindows Mobile 2003 Windows Pocket PC 2003 Windows Mobile 2003, 2nd edition Windows Pocket PC 2003, 2nd editionSee Table 2-5, "Pocket PC and Windows Mobile Supported Platforms" for full details.If using synchronization, use either IBMJ9 or the CrEme JDK version 4.1 from NSI.com.ActiveSync version 3.8 or higher.Microsoft .NET Compact Framework 1.1Windows Mobile 5Windows Mobile 5 for Pocket PCWindows Mobile 5 for Pocket PC Phone EditionWindows Mobile 5 AKU2If using synchronization, use either IBMJ9 or the CrEme JDK version 4.1 from NSI.com.ActiveSync version 4.1 or higher.Microsoft .NET Compact Framework 1.1 or 2.0Windows Mobile 6Windows Mobile 6 ClassicWindows Mobile 6 ProfessionalIf using synchronization, use either IBMJ9 or the CrEme JDK version 4.1 from NSI.com.ActiveSync version 4.5 or higher.Microsoft .NET Compact Framework 1.1 or 2.0You should install all of the patches required for the JDK for the Windows operating system. This is constantly under review and published on the JDK download page on the Sun Microsystems Web site.2.1.2 Supported and Certified Technologies for Native Mobile ClientsThe following are the supported and certified technologies for native SQLite Mobile clients:Note:Ensure that after you install the required software, that they the appropriate directories are included in the PATH. For example, after you install the JDK, ensure that the JAVA_HOME is included in the PATH.Table 2-4 Supported and Certified Technologies for Native Mobile ClientsDevice PlatformSupported TechnologiesCertified TechnologiesWin32Sun Microsystems Java Runtime Edition 5.0ADO.Net 1.1 – requires Microsoft .Net Framework 1.1 or 2.0ADO.Net 2.0 – requires Microsoft .Net Framework 2.0 Windows CEADO.Net 1.1 (Requires Microsoft Compact .Net Framework 1.0 + Service Pack 2) or 2.0ADO.Net 2.0 – requires Microsoft .Net Compact Framework 2.0Microsoft ActiveSync version 3.8 or for Windows CE 5.0, use Microsoft ActiveSync version 4.1 or higher.Oracle Database Lite is certified with the following JVMs on Windows Mobile 2003 Second Edition:IBM J9 Websphere Everyplace Micro Environment for Windows Mobile 2003 ARM Personal ProfileCreme JVM 4.1, which can be obtained at x86RedHat Enterprise Linux AS release 4JavaSoft Java Runtime Edition 1.4.2For each native platform, a CAB file is downloaded from the setup page. The naming structure for each CAB file is as follows: sqlite_sync....cabTable 2-5 Pocket PC and Windows Mobile Supported PlatformsProduct NameWinCE VersionChipsetsSQLite Client CAB file download from Setup pagePocket PC 2003 Windows Mobile 20034.20.1081ARMV4SQLite PPC2003 ARMV4, which uses the sqlite_sync..ppc2003.armv4.cabWindows Mobile 2003 2nd Edition4.21.1088ARMV4SQLite PPC2003 ARMV4, which uses the sqlite_sync..ppc2003.armv4.cabWindows Mobile 5 and Windows Mobile
2025-04-13Microsoft .NET Framework 3.5 is a crucial component for running various Windows applications and software. If you’re using a Windows operating system that doesn’t have this framework pre-installed, you may need to manually install it to ensure the compatibility of certain programs. In this guide, we’ll walk you through the steps to install Microsoft .NET Framework 3.5 on your Windows computer, enabling you to run a wide range of applications smoothly and efficiently. Table of ContentsHow to Install Microsoft .NET Framework 3.5Method 1: Install using Windows 10/Windows 8 Installation MediaMethod 2: Install .NET Framework 3.5 using Offline InstallerMethod 3: Install the missing updates and try againHere, we will have a closer look at both the methods of installing the .NET Framework version 3.5:Method 1: Install using Windows 10/Windows 8 Installation MediaYou need a Windows 8/Windows 10 installation DVD for this purpose. If you don’t have it, then you can create the installation media using the latest ISO of the required operating system and installation media creator tool like Rufus. Once the installation media is ready, plug it in or insert the DVD.1. Now open elevated (administrative) Command Prompt. To open, Search CMD in the start menu then right-click on it and select Run as administrator.2. Type the following command and hit Enter:Dism /online /enable-feature /featurename:NetFx3 /All /Source:E:\sources\sxs /LimitAccessNote: Make sure to replace E: with the letter of your installation media USB or DVD drive letter.3. Installation of .NET Framework shall begin now. The installation will not require an internet connection, as the installer will source the files from the installation media itself.Also Read: Fix Windows Update Error 0x80070643Method 2: Install .NET Framework 3.5 using Offline InstallerIn case you are unable to install the .NET Framework version 3.5 using the Command Prompt or feel it’s just too techincal then follow these steps to download the .NET Framework 3.5 Offline Installer.1. Go to the following link in any internet browser such as Google Chrome or Mozilla Firefox.2. After the file is downloaded successfully, copy it to a thumb drive or external media. Then copy the file by connecting it to the machine on which you need to install .NET Framework 3.5.3. Extract the zip file in any folder and run the setup file. Make sure you have the installation media plugged in and recognized in the target machine.4. Choose the installation media location and the destination folder for the installation of .NET Framework version 3.5. You can leave the destination folder as default.5. The installation shall begin without any active internet connection during the installation.Also Read: Fix losing internet connection after installing Windows 10Method 3: Install the missing updates and try againIf .NET Framework 3.5 is missing from your computer then you might able to resolve the issue by installing the latest Windows updates. Sometimes, third-party apps or programs can cause a conflict which can prevent Windows from either updating or installing certain components of the updates. But you can resolve this issue by manually checking for updates.1. Press Windows key +
2025-04-23