Do you have .NET? (Not exactly a question)

http://smallestdotnet.com/

From the site above:
This site looked at your browser's "UserAgent" and figured out what version (if any) of the .NET Framework you have (or don't have) installed, then calculated the total size if you chose to download the .NET Framework.

There's no database, no cookies, and nothing about your computer has been stored or kept. We just look at the information your browser already reports about your computer and make a suggestion as to the best .NET Framework download for you.

Download this application .NET Checker and run it. This harmless code signed application will tell us if you have .NET 4.5. Don't trust us? Here's the code.

Got there from NuGet Package of the Week #4 - Deserializing JSON with Json.NET