How to check the version of Microsoft dotnet framework installed?

There are multiple ways to verify if we have successfully installed the dotnet and what is the version installed.

Method 1:

Check for a local directory like

%windir%\Microsoft.NET\Framework\

where is
v1.1.4322 - for .NET Framework v1.1
v1.0.3705 - for .NET Framework v1.0

Method 2:
 
From Add/Remove Program...

Method 3:

We can also try to check


HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\.NETFramework

and

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup

Method 4:

Also there is a freeware uility that not only reveals which version of dotnet is installed but also helps you in downloading dotnet framework from Microsoft.

You may download the utility from the link below.
http://www.asoft.be/prod_netver.html

Other References:

http://www.asoft.be/prod_netver.html
http://www.pcreview.co.uk/forums/check-version-dotnet-framework-installed-t1222779.html
http://www.walkernews.net/2008/05/16/how-to-check-net-framework-version-installed/