… is no validation required. This PASSES WGA.This works 100 with Windows Update. I have included the CDKey already in the install process. This means at no point will you have to enter it. Some people using Macs or Virtual Machines mightneed the serial. See Serial.txt if you do need it. Serial.txt is located in the download folder and in a folder on the disc/iso. This has all windows updates through November 2010. Thisis has been tested numerous times with no errors. This supports ALL Languages …