How to enable .NET Framework 3.5 in Windows 8, 8.1 or 10?

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The newer versions of Microsoft Windows series come with latest .NET Framework 4 or even later. The .NET Framework 3.5(which includes the 2 and 3) is by default disabled. When you try to install some old software like SQL Server 2008 R2 a Window pops up saying you to install 3.5 version of the framework.

There are several methods to do it. First three methods work with an Internet connection while the last one does it offline,


First method: Using Windows Update, clicking Install this feature.



Second Method: Enable it in Turn Windows features on or off.

Third Method: Download the installer from the official Microsoft site,

Fourth Method: Install it from Windows Installation media using Command prompt.

Steps: Open cmd.exe as administrator. Type this substituting the Drive letter with yours having the installtion media.

Dism /online /enable-feature /featurename:NetFx3 /All /Source:F:\sources\sxs /LimitAccess

Here F drive is my installation media, substitute yours.

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