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Windows 7: Windows 7 Upgrade Program on another PC?


20 Jul 2009   #11

Win7 Build 7600 x86
 
 

Just some info:

I bought a OEM version of "Vista 32 Ultimate sp1" and installed and activated it on my laptop. (saved me 100 euros)

My laptop broke down, so I called MS, got a nice lady on the phone and in 10 minutes she helped me re-activate it on my desktop computer.

No problem what so ever.

And I will be able to upgrade to Win 7 Ultimate.

Mind you, this is about a OEM I bought in the shop.

I don't know if the same applies to OEM preinstalled by the retailer.


So what you can do is call MS, re-activate your Vista to your 2nd computer and then later upgrade to Win 7.

You could always call MS activate service to ask them about it, then you'll know for sure.

Hope this was helpful.


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20 Jul 2009   #12

Windows 7 Professional x64
 
 

Quote   Quote: Originally Posted by Arkhan View Post
Maybe.

There are two types of OEM activation. The first works like a full retail key, but only once; this is the key that comes on the COA sticker, and is a single computer activation which activates online with microsoft, and ties that key to the hardware fingerprint of that computer.

The second is a PAK (pre activated key); the OEM makes a custom disc with their PAK appropriate to that version, and a digital certificate specific to that OEM, and it checks it has a flag in the bios that matches the digital certificate. If any of the three are missing, it won't automatically activate.

So if you get an OEM disc as part of the upgrade offer, you won't be able to use it on the 2nd computer with the PAK built in, as your BIOS won't match. However, you should still be able to use the OEM key that comes with it on the COA sticker on your 2nd computer. As long as you only use it one of the two computers, you'll be fine.

There is a gotcha though. Some OEMs don't provide a windows disc at all, but rather a customised restore disc; this uses ghost or the like to clone a disc image onto the hard-drive, rather than doing an actual windows 7 install, and also has all the drivers, and additional software like the trial version of norton. These usually have additional checks as part of the clone, so will only install on the original hardware.

So have a look at what you got with your vista home pc; did you get a windows vista install disc and oem sticker, or did you get some custom restore disc that you may have had to burn yourself from files on the hard-drive?

If it's the latter, that's what they may supply for the windows 7 upgrade, and it probably won't work on anything other than the computer it's meant for.

That said, you should still get an OEM COA sticker with a key, so you might be able to use that key with a vanilla 7 home premium you acquire by other means.
I agree with you. Good explanation.
+1 rep
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 Windows 7 Upgrade Program on another PC?




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