You can tell if the .NET Framework has been installed by looking for the MSCorEE.dll file in the %windir%\system32 directory. The existence of this file tells you that the .NET Framework is installed. However, several versions of the .NET Framework can be installed on a single machine simultaneously. If you want to determine exactly which versions of the .NET Framework are installed, examine the subkeys under the following registry key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\.NETFramework\policy
Framework is installed. However, several versions of the .NET Framework can be installed
on a single machine simultaneously. If you want to determine exactly which versions of the
.NET Framework are installed, examine the subkeys under the following registry key:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\.NETFramework\policy