Each computer on which the CLR is installed has a machine-wide code cache which is known as Global Assembly Cache (GAC).
Gacutil.exe (Global Assesmbly Cache Tool) allows us to view and manipulate the content of Global Assembly Cache.
Windows 7 Path for Gacutil.exe : C:\Windows\Microsoft.NET\Framework\v1.1.4322
Follow the MSDN Library with steps for your reference :
Hope this will help you.
DNS Gold Member
"Failure is the path of least persistence"