Where to purchase Windows 7 64-bit Home Premium retail or upgrade?

I have somebody who was asking me for help upgrading their Vista system to Windows 7. They bought the OEM copy of Windows 7 and instead need a copy of Windows 7 64-bit home premium upgrade. They intend to return it as luckily the packaging hadn't been opened.

The question is, where can I purchase a legitimate copy of Windows 7 64-bit Home Premium, either Upgrade or Retail, whatever will allow the easy upgrade option instead of overwriting everything?

A link to a reputable site or mail-order business that ships to the Chicago Suburbs would be appreciated.

Oh, the computer in question does NOT have a touch screen, and Windows 8 is probably unsuitable for that system. It might work OK if she bought a touch screen, but does not want one. She's just interested in Windows 7 Home Premium.

All I can find on Amazon and Tiger Direct are OEM copies.

I was under the impression that you could not do an upgrade install with the OEM, and that is the best solution here. Doing a clean install will take more than a weekend due to a slow internet connection and the amount of stuff that needs to be re-downloaded and reinstalled. She didn't keep and save the installers. Her internet connection isn't much better than dial-up. I think it's only 256Kbits. It didn't seem to get any better than 16K/sec, which is about 4X faster than dial-up. It took nearly an hour and a half to download a 124mb driver installer from Dell's support site that the upgrade assistant said needed to be updated before installing Windows 7. Anyways, it's a moot point. I got an answer on Microsoft's forum before the first response to this one. I spent the rest of the day performing the upgrade. Took longer than I recall any clean install, but that's probably to be expected. answers.microsoft.com/en-us/windows/forum/windows_7-windows_install/where-can-i-purchase-windows-7-64-bit-home-premium/c9c9ef49-d285-4c9c-a29c-17893d74f83c I downloaded the DVD myself on my GOOD internet connection, burned it, then drove over and installed it. The DVD from the link accepted the OEM product key, and all appears to be well save for the need to leave the computer on overnight to download the 900mb of updates.

What the heck ate all my newlines? I did make liberal use of the enter key to space things out, but I see a wall of text above. I have no idea what glitched.

slickrcbd said:

What the heck ate all my newlines? I did make liberal use of the enter key to space things out, but I see a wall of text above. I have no idea what glitched.

Not sure either, here's the link you posted,

where can I purchase Windows 7 64-bit home premium upgrade or retail - Microsoft Community

Sounds like you got it all sorted then?

It's mostly sorted out. I got an e-mail that there are a few glitches with a few programs that need to be updated or reinstalled, but that is to be expected. However, due to both of us having plans for Easter, it's going to have to wait until another day to work on it. The main problem is the slow internet connection makes downloading updates and installers a chore. It just takes time. Brings back memories from the late '90s and the very early 2000's when I was using dial-up. I hadn't realized how much I take my high speed broadband connection for granted. I started with down speeds of 200K/sec+ and it has only increased.