.NET Check is a portable .NET version checker that provides you details on which version is installed on your machine.A tool like this can save some time as you will know your system meets the requirements of an app you wish to install beforehand. Since it is portable, you can take it with you and use it for checking that an unfamiliar PC meets all the requirements. Once you have launched .NET Check it immediately scans and provides what is installed on your machine and in the case of a missing .NET version it will provide a direct link to Microsoft enabling you to download the missing version.