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Is a Windows XP license lost if you clean install Win7 Upgrade version

Forum Windows 7 : Is a Windows XP license lost if you clean install Win7 Upgrade version

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Ericlegge   10-27-2009 at 02:35:52 PM

Hi all,

You have to perform a clean installation of Windows 7 when using the upgrade version to upgrade from Windows XP.

But, if you install the Upgrade version of Windows 7 Home Premium on a Windows XP Pro system on a different partition, does doing so invalidate your Windows XP Pro license and make it impossible to have a dual-boot system unless you buy a new XP license?

No one on the web seems to know for sure. The licence agreement for Win7 says that this is the case. If you upgrade from Windows XP to Win7, you lose Windows XP.

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Bronze Win 7 badge Jonmor68   10-27-2009 at 09:01:47 PM

When you upgrade you give up the right to use your previous OS, but the key is still valid otherwise you wouldn't be able to reinstall.
In practice, in the past OS's there was no problem running both on the same machine. I doubt MS would be too concerned with someone keeping the old system running, after all you can only use one at a time.
Is it legal? probably not. I doubt MS would tell you it's ok to do it.

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arrghushakaboorga   10-27-2009 at 09:40:54 PM

I don't think MS would really care too much considering they were already paid for W7. I think you should be ok

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Bronze Win 7 badge Zoron   10-27-2009 at 10:56:51 PM

If you want to dual-boot, you should consider OEM rather than retail upgrade.

------------------------------ Desktop: Windows 7 Professional 64-bit; Intel Q6600 CPU; E-VGA 780i SLI motherboard; E-VGA E-GeForce 8800GT; OCZ Vista 4GB dual-channel kit; Ultra X2 750W power supply; 2 x Seagate Barracuda 7200.11 500GB in RAID 0. Laptop: Acer Aspire 8730-6314;
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Ericlegge   10-28-2009 at 05:30:12 PM

Thanks for the comments. When my Family Pack of Win7 Home Premium arrives, I'll try installing it to a new hard disk drive that I bought for it and post back the result. Windows XP is installed on the C: drive.

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