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20 Feb 2011  

Windows 7 Home Premium 64bit
Does any Windows 7 key work for any Windows 7 disc?

Easy question but I can't seem to find a definitive answer. My factory-Vista-installed laptop has been having some crazy issues, so I decided to do a fresh OS install. I didn't have the Vista disc, but I did have the 64-bit Windows 7 Home Premium disc that I used to install Windows 7 on my desktop last year.

So I installed Windows 7 on the laptop but obviously didn't register it since the only key i have is tied to my desktop, so I'm running in "demo" mode or whatever you'd like to call it.

I've got the laptop issues sorted out now and even have a lot of stuff set up on the laptop now just testing different things to make sure it wasn't going to crash on me. Now that I have all this stuff setup, I need to buy Windows 7 so that I have a legit product key to register the copy on the laptop. Question is, can I just buy a copy of Windows 7 and use the product key without reinstalling W7? Will any product key work with any disc, or is it somehow tied to the disc and I'll be forced to do a fresh OS install?

Thanks a ton for any help.
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