Register ASP.NET 4.0 in IIS of Windows 7

This explains the steps to register ASP.NET Framework 4.0 in IIS on windows 7 from a command prompt.

1) Open Command Prompt by running as Administrator (Go to All Programs from start menu, select Accessories and right click on Command Prompt and select Run as Administrator)
2) Navigate to the the path :
32 bit : C:\Windows\Microsoft.NET\Framework\v4.0.30319>
64 bit: C:\Windows\Microsoft.NET\Framework64\v4.0.30319>
3) Run the following command
aspnet_regiis.exe -i -enable