It doesn't make any difference. It required 3.5 as win7 shipped with that framework. You may actually have 3.5 installed already. Check for the following dir: c

It doesn't make any difference. It required 3.5 as win7 shipped with that framework. You may actually have 3.5 installed already. Check for the following dir: c:\windows\Microsoft.net\framework\v3.5 If it's there you have it already.