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Upgrading Windows XP 32 Bit to Windows 7 64 Bit

I am currently trying to upgrade my Dell Precision M90 notebook from Windows xp 32 bit to Windows 7 64 bit.  I know that my computer is capable of running the 64 bit version but when I try to install Windows 7.....an error message pops up and will not allow me to upgrade.  Interestingly when I tried to upgrade to the 32 bit Windows 7, my computer recognized the setup and would allow me to upgrade.  Unfortunately I do not want to use the 32 bit version so upgrading to that version of windows 7 will do me know good.  Is there anything that I have to download for my computer in order for it to recognize the 64 bit installation set up?     
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Answer

Clean Install Windows 7 with Upgrade Media
http://www.winsupersite.com/win7/clean_install_upgrade_media.asp

Clean Install Windows 7 With Upgrade Media and Product Key on Formatted or Empty Blank Hard Drive
http://www.mydigitallife.info/2009/10/27/clean-install-windows-7-with-upgrade-media-and-product-key-on-formatted-or-empty-blank-hard-drive/

JS
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When you do an Upgrade to 64 bit, it is an upgrade only by verifying the previous version of the activated OS. It needs to be an Upgrade with a Custom install. Your hard drive will be cleaned so you will need to backup and/or make sure you can recover files. I assume you have a retail version of Win 7 that comes with 2 disks of the 32 and 64 bit. There is no additional software needed.

What you should do is uninstall the current win 7 and do a custom install to 64 bit.

how to uninstall Windows 7:
http://support.microsoft.com/default.aspx/kb/971762

How to restore a Windows 7-based computer to a previous Windows installation by using the Windows.old folder:
http://support.microsoft.com/kb/971760

Frenchie

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Last updated August 17, 2023 Views 2,614 Applies to: