I'm planning on doing a clean Windows 7 Pro install on my new W520, and after consulting some of the existing threads on this and other forums the only remaining question I have is whether or not it should work using Windows 7 Pro upgrade media that I have purchased beforehand? To be clear, I'd still like to use the OEM license on the W520-- so I can keep the purchased (retail) license on my old machine-- and I'm wondering if it should make any difference if I'm just using the disc to install then activating using the OEM key?
I realize I can (legally) download an ISO image and make a bootable disc or USB key, but since I already have the (upgrade) media I'm hoping I can just use that-- is there anything inherently different about the install software on an upgrade disc? Furthermore, it seems like the sure way to go with OEM activation is using this ABR tool
to backup and restore activation files; does anyone have any experience using this utility?