The Windows Vista/Windows 7 Upgrade Advisor will assist you to determine if your Windows XP based PC can run Windows Vista or Windows 7 efficiently. You can also use the Vista/7 Upgrade Advisor to determine if your Windows Vista/7 based PC is compatible for an upgrade to a more powerful edition of Windows. This small software tool will scan your computer and create an easy-to-understand report of all known system, device, and program compatibility issues, and recommend ways to resolve them.
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This is not only vista, its for windows 7 too.