I found ...
C:\Windows\Microsoft.NET\Framework
v1.0.3705
v1.1.4322
v2.0.50727
v3.0
v3.5
v4.0.30319
C:\Windows\Microsoft.NET\Framework64
v2.0.50727
v3.0
v3.5
v4.0.30319
Do I have .NET Framework 3.0 and 3.5 now?
BTW ... how do I edit an article in this forum?