The Windows 7 product key number is a sequence of 25 letters and numbers divided into 5 groups of 5 characters each (ex: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX) that is used to activate either the 32-bit or 64-bit Windows 7 edition that you purchased and installed. everytime a new OS comes out, there’s some fossil that complains that their […]