Install the. NET Framework 3. Windows 1. 0, Windows 8. Windows 8. You may need the. NET Framework 3. 5 to run an app on Windows 1. Windows 8. 1, and Windows 8. You can also use these instructions for earlier Windows versions. Install the. NET Framework 3. Demand. You may see the following configuration dialog if you try to run an app that requires the. NET Framework 3. 5. Choose Install this feature to enable the. NET Framework 3. 5. This option requires an Internet connection. Enable the. NET Framework 3. Control Panel. You can enable the. NET Framework 3. 5 through the Windows Control Panel. This option requires an Internet connection. Press the Windows key Windows on your keyboard, type Windows Features, and press Enter. The Turn Windows features on or off dialog box appears. Select the. NET Framework 3. NET 2. 0 and 3. 0 check box, select OK, and reboot your computer if prompted. You dont need to select the child items for Windows Communication Foundation WCF HTTP Activation and Windows Communication Foundation WCF Non HTTP Activation unless youre a developer or server administrator who requires this functionality. NET Framework version history Wikipedia. Microsoft started development on the. NET Framework in the late 1. Next Generation Windows Services NGWS. By late 2. 00. 1 the first beta versions of. NET 1. 0 were released. The first version of. NET Framework was released on 1. February 2. 00. 2, bringing managed code to Windows NT 4. ME and XP. Since the first version, Microsoft has released nine more upgrades for. NET Framework, seven of which have been released along with a new version of Visual Studio. Two of these upgrades,. NET Framework 2. 0 and 4. Common Language Runtime CLR. I have an application budgeting software but kind of irrelevant to the problem that has a prerequisite that the. NET 2. 0 and 3. 5 Frameworks be present. I would suggest you to uninstall, reinstall and update the. Net framework 3. 5. Press Start button and type Programs and features and select it. Learn how to install the. NET Framework 3. 5 on Windows 10, Windows 8. Windows 8. Free. Crossplatform. Open source. A developer platform for building all your apps. Build for web, mobile, gaming, IoT, desktop, cloud and microservices. New versions of. NET Framework replace older versions when the CLR version is the same. The. NET Framework family also includes two versions for mobile or Embedded device use. A reduced version of the framework, the. In this video I show how to download and install. NET Framework 3. 5 on Windows 10 32 and 64 bit. This video has captions, click the gear icon to. The easy way for consumers to get the. NET Framework 3. 5 on these platforms is to turn the feature on in Windows Features same steps as in Windows 7, and Windows. NET Compact Framework, is available on Windows CE platforms, including Windows Mobile devices such as smartphones. Additionally, the. NET Micro Framework is targeted at severely resource constrained devices. OvervieweditOverview of. NET Framework release history23Versionnumber. CLRversion. Releasedate. Supportended. Development tool. Included in. Replaces. Windows. Windows Server. Visual Studio. NET5XPaNANA1. Visual Studio. NET 2. NA2. 00. 31. 062. Visual Studio 2. 00. NA2. 00. 3, 2. 00. R2,82. 00. 8 SP2, 2. R2 SP1. NA3. 0. 2. Expression Blend9bVista. SP2, 2. 00. 8 R2 SP1. SP1Visual Studio 2. R2 SP1. 2. 0, 3. 0. Visual Studio 2. 01. NANANA4. 5. 42. Visual Studio 2. Visual Studio 2. 01. R2. 4. 0, 4. 5. 4. NANANANA4. 04. NAVisual Studio 2. NA4. 04. 5. 2. 4. NAVisual Studio 2. Update 1. 10 v. 15. NA4. 04. 6. 4. 6. NA1. 0 v. 16. 07. NAVisual Studio 2. NA4. 04. 6. 2. 4. NAVisual Studio 2. NA4. 04. 7. Notes a. NET Framework 1. 0 is integral OS component of Windows XP Media Center edition or Tablet PC edition. Installation CDs for the Home editions and the Professional editions of Windows XP SP1, SP2 or SP3 comes with. NET Framework installation packages. Expression Blend only covers the Windows Presentation Foundation part of. NET Framework 3. 0. NET Framework 3. 5 is not automatically installed with Windows 8, 8. It must be installed either from a Windows installation media or from the Internet on demand. Control Panel always attempts the latter. NET Framework 1. 0editThe first version of the. Vst Plugins For Logic Pro X. NET Framework was released on 1. February 2. 00. 2 for Windows 9. ME, NT 4. 0, 2. 00. XP. Mainstream support for this version ended on 1. July 2. 00. 7, and extended support ended on 1. July 2. 00. 9, with the exception of Windows XP Media Center and Tablet PC editions. On 1. July 2. 00. Visual Basic,. NET Framework 1. Beta 2 was released. NET Framework 1. 0 is supported on Windows 9. ME, NT 4. 0, 2. 00. XP, and Server 2. Applications utilizing. NET Framework 1. 0 will also run on computers with. NET Framework 1. 1 installed, which supports additional operating systems. NET Framework 1. 1editVersion 1. NET Framework upgrade. It is available on its own as a redistributable package or in a software development kit, and was published on 3 April 2. It is also part of the second release of Visual Studio. NET 2. 00. 3. This is the first version of the. NET Framework to be included as part of the Windows operating system, shipping with Windows Server 2. Mainstream support for. NET Framework 1. 1 ended on 1. October 2. 00. 8, and extended support ended on 8 October 2. NET Framework 1. 1 is the last version to support Windows NT 4. Installing. NET Framework 1. Changes in 1. 1 include 2. Built in support for mobile ASP. NET controls, which was previously available as an add on. Enables Windows Forms assemblies to execute in a semi trusted manner from the Internet. Enables Code Access Security in ASP. NET applications. Built in support for ODBC and Oracle Database, which was previously available as an add on. NET Compact Framework, a version of the. NET Framework for small devices. Internet Protocol version 6 IPv. NET Framework 1. 1 is supported on Windows 9. ME, NT 4. 0, 2. 00. XP, Server 2. 00. Vista, and Server 2. NET Framework 2. 0editVersion 2. January 2. 00. 6. It was also released along with Visual Studio 2. Microsoft SQL Server 2. Biz. Talk 2. 00. 6. A software development kit for this version was released on 2. November 2. 00. 6. It was the last version to support Windows 9. Windows Me. 2. 7. NET Framework 2. 0 with Service Pack 2 requires Windows 2. SP4 plus KB8. 35. KB8. 91. 86. 1 update, Windows XP with SP2 plus Windows Installer 3. It is the last version to support Windows 2. Version 3. 5 in Windows 2. Changes in 2. 0 include. NET Framework 2. 0 is supported on Windows 9. ME, 2. 00. 0, XP, Server 2. Vista, Server 2. 00. Server 2. 00. 8 R2. Applications utilizing. NET Framework 2. 0 will also run on computers with. NET Framework 3. 0 or 3. NET Framework 3. 0edit. NET Framework 3. 0, formerly called Win. FX,2. 9 was released on 2. November 2. 00. 6. It includes a new set of managed code APIs that are an integral part of Windows Vista and Windows Server 2. It is also available for Windows XP SP2 and Windows Server 2. There are no major architectural changes included with this release. NET Framework 3. 0 uses the same CLR as. NET Framework 2. 0. Unlike the previous major. NET releases there was no. NET Compact Framework release made as a counterpart of this version. Version 3. 0 of the. NET Framework shipped with Windows Vista. It also shipped with Windows Server 2. NET Framework 3. 0 consists of four major new components. NET Framework 3. 0 is supported on Windows XP, Server 2. Vista, Server 2. 00. Server 2. 00. 8 R2. Applications utilizing. NET Framework 3. 0 will also run on computers with. NET Framework 3. 5 installed, which supports additional operating systems. NET Framework 3. 5editVersion 3. NET Framework was released on 1. November 2. 00. 7. As with. NET Framework 3. Common Language Runtime CLR 2. NET Framework version 2. In addition,. NET Framework 3. NET Framework 2. 0 SP1 and 3. SP1 with the later 3. SP1 instead installing 2. SP2 and 3. 0 SP2, which adds some methods and properties to the BCL classes in version 2. Language Integrated Query LINQ. These changes do not affect applications written for version 2. As with previous versions, a new. NET Compact Framework 3. Windows Mobile and Windows Embedded CE devices. The source code of the Framework Class Library in this version has been partially released for debugging reference only under the Microsoft Reference Source License. NET Framework 3. 5 is supported on Windows XP, Server 2. Vista, Server 2. 00. Server 2. 00. 8 R2, 8, Server 2. Server 2. 01. 2 R2, 1. Server 2. 01. 6. 2Service Pack 1 editThe. NET Framework 3. 5 Service Pack 1 was released on 1. August 2. 00. 8. This release adds new functionality and provides performance improvements under certain conditions,3. WPF where 2. 04. Two new data service components have been added, the ADO. NET Entity Framework and ADO. NET Data Services. Two new assemblies for web development, System. Web. Abstraction and System. Web. Routing, have been added these are used in the ASP. NET MVC framework and, reportedly, will be used in the future release of ASP. NET Forms applications. Service Pack 1 is included with SQL Server 2. Visual Studio 2. 00. Service Pack 1. It also featured a new set of controls called Visual Basic Power Packs which brought back Visual Basic controls such as Line and Shape. Version 3. 5 SP1 of the.