Determining what version(s) of the .Net Framework is installed is just a reg read away…

Le Café Central de DeVa - How to: Determine which Microsoft .Net Framework version and service pack installed?

“This is one of our frequent question: How to determine which version(s) and service pack level(s) of the Microsoft .NET Framework are installed? You can use the registry information below to determine which version(s) and service pack level(s) of the Microsoft .NET Framework are installed.

…

…”

I’m going to rolling out some .Net 4 based apps in the new year and so knowing if a given workstation has .Net 4 already on it, or not, will be an important data point…