This article applies to: all versions of Windows

To check installed versions of .net framework, click on Start > run (Windows key +R) and enter:

%windir%\Microsoft.NET\Framework

Then click on OK.

A Windows Explorer window should open in the above location. You should see several folders, each corresponding to the installed versions of the .net framework. For example, you may see the following folders:

• v1.0.3705
• v1.1.4322
• v2.0.50727
• v3.0
• v3.5
• v4.0.30319

This indicates that version 4.0 and all previous versions are available.

If you are require a more recent version of the .net framework, the latest installer can be downloaded from http://www.microsoft.com/net