What version of the .NET framework do I have installed?

I keep having to look this up every couple of months. Microsoft support have described how to find out.

From the article:

Versions of the .NET Framework

There are currently three released versions of the .NET Framework. The releases have the following version information.

.NET
Framework
version
Revision Version
1.0 Original RTM
.NET Framework Service Pack 1
.NET Framework Service Pack 2
.NET Framework Service Pack 3
1.0.3705.0
1.0.3705.209
1.0.3705.288
1.0.3705.6018
1.1 Original RTM
.NET Framework Service Pack 1
.NET Framework included with Windows Server 2003 32-bit Service Pack 1
1.1.4322.573
1.1.4322.2032
1.1.4322.2300
2.0 Original RTM 2.0.50727.42

Note The Microsoft .NET Framework 1.1 is included with the 32-bit version of Microsoft Windows Server 2003.

Note This information should be used as a general guide for determining which versions of the .NET Framework are installed on a computer. Also note that files that have a later version listed may be files that were shipped as part of a hotfix or a hotfix rollup package. The hotfix .NET Framework file versions are outside the scope of this article.

Determine which versions of the .NET Framework are installed on a computer

The easiest way to determine which versions of the .NET Framework are installed on a computer is to locate the %systemroot%Microsoft.NETFramework folder. You can paste the listed address for the Framework folder into a Windows Explorer address bar to navigate to the Framework folder. The three released versions of the .NET Framework are contained in the following folders:

v1.0.3705
v1.1.4322
v2.0.50727

Note If you see other directories that have a vN.N.NXXXX format that are not listed in this article, the versions may be beta versions or pre-released versions of the .NET Framework. Those versions are outside the scope of this article.

To determine which versions of the .NET Framework are installed on a computer, follow these steps:

1. Open any one of the folders in the previous list, and then locate the Mscorlib.dll file.
2. Right-click the file, and then click Properties.
3. Click the Version tab, and then note the file version.
4. Use the previous list to determine which version of the .NET Framework is installed on the computer, and then click OK.
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What version of the .NET framework do I have installed?

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