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It is possible to update to Windows 7 ultimate retail from Windows 7 home premium oem without reformatting the hard drive?

post #1 of 6
Thread Starter 
I want to get a new mobo for overclocking. But I also need a new copy of windows, but it is possible to replace the oem license with a retail license without having to format the hard drive?
post #2 of 6
a reformat is best with a new boiard and you can use the telephone service to reactivate the oem licence on your new board.
post #3 of 6
Quote:
Originally Posted by honam1021 View Post

I want to get a new mobo for overclocking. But I also need a new copy of windows, but it is possible to replace the oem license with a retail license without having to format the hard drive?

http://www.sevenforums.com/general-discussion/38904-sysprep.html ==> You can do this and afterwards upgrade to Windows 7 Ultimate.
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post #4 of 6
Thread Starter 
Quote:
Originally Posted by richie_2010 View Post

a reformat is best with a new boiard and you can use the telephone service to reactivate the oem licence on your new board.
Are you sure you can reactivate on the new mobo?
post #5 of 6
If I understand wha's going on here, you have a computer with Windows 7 Home Premium OEM edition.

You want to buy a new motherboard and upgrade to Windows 7 Ultimate Retail edition.

You will own two motherboards and two licenses for Windows. Legally, you're doing just fine. thumb.gif

Now for the mechanics. It is always better to do a clean installation of Windows rather than a migrated installation. Especially considering that you have a new motherboard coming, you should reinstall Windows. It might work as a drop in replacement, but I highly highly doubt it. Motherboards are the one thing that Windows generally cannot survive a change of.

I don't think you can use your ultimate license to "upgrade" the home premium one anyway. A clean installation is best for what you're wanting to do.
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Replaced with 42 W/hr aux battery Mint 17.3 1280x800 Dell 65w Dell Adapter 
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Not telling AsRock something Pixel Pusher 2 x 8 GB AMD Radeon RAM @ 1600mhz (All the VM's) 
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post #6 of 6
agreed, if you have a full ultimate retail license there is no reason to need to activate the OEM license on the new board. Just do a fresh install with the Ultimate version of Win 7
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