How to Do a Inplace Upgrade Installation from Vista to Windows 7. A upgrade installation allows you to keep intact the files, settings, and programs from your current version of Vista SP1 or SP2. This will show you how to do a upgrade installation with a Upgrade version of Windows 7 from Vista. XP users will now be able to upgrade to Windows 7, but will have to do a clean install or custom install of Windows 7 instead.(((
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