How can I upgrade a Windows 7 trail version?

I had Vista Home Premium. Was having probs..computer would freeze, a lot. Took it to a repair place. They told me the motherboard was "going". I asked them to wipe the HD clean so I could possibly sell the computer for parts. I get the computer back, and it has a 90 day version of Windows 7 Pro on it. And the computer works fine. So I use the computer for three months, and more, but I need to activate Windows 7 Pro. I have no key and I don't want to go back to the replair place. So, what do I need to buy, to be legal? And where should I buy it? And will I lose everything again when I install? BTW...no signs of motherboard problems at this point so I'm thinking the guy just was wrong...I'm willing to take the gamble, anyway, and buy Windows 7...
 
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Last updated March 20, 2018 Views 406 Applies to:
Answer
 it has a 90 day version of Windows 7 Pro on it.

Are you sure it's Pro? There is a Windows 7 Enterprise 90-day Trial. If you have the Windows 7 Enterprise 90-day Trial you would have to backup everything and completely reinstall.

To buy Windows 7:

http://store.microsoft.com/microsoft/Windows-Windows-7/category/102

If you have a Vista license for the computer you can buy the Upgrade.

 

 


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