How do I detect what .NET Framework versions and service packs are installed?

Question

A similar question was asked here, but it was specific to .NET 3.5. Specifically, I\'m looking for the following:

1. What is the correct way to determine which .N

Answer 1

For a 64-bit OS, the path would be:

HKEY_LOCAL_MACHINE\SOFTWARE\wow6432Node\Microsoft\NET Framework Setup\NDP\