Windows 8 Setup will run. Input your Windows 8 product key when prompted and Setup will tell you which version of the Windows 8 Setup ISO it will download. (This is based on the PC you're currently using If you start Setup from a bit version of Windows, you will download a bit ISO, for example.) After the download begins, close slicelive.com: Paul Thurrott. Aug 09, · Windows Product Key: Windows is the successor to windows 8 operating system by Microsoft. It has all new features of windows 8 and updating to windows is free for the users who are using windows 8. It had updated features than windows 8, which made it attractive to the users.5/5. Oct 19, · This is an epic trick! Apparently there is a workaround to download the Windows ISO from the Microsoft servers using your Windows 8 product key — . Dec 17, · windows 8 download with product key my product key for windows 8 was accepted but msg unable to connect to internet at this time. why am I getting this msg This thread is locked.