Illustration for article titled Windows 7s XP Mode to Require 2GB of RAM, True Processor Virtualization

We talked about XP Mode—which runs programs that work in XP but not in Vista—in our Windows 7 RC1's hands-on. Now Microsoft is coming up with details about what hardware and licenses this will need.

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• A CPU that has true chip-level virtualization from Intel or AMD.
• 2GB of RAM minimum.
• While XP Mode will be a free download for buyers of Windows 7 Professional, Windows 7 Enterprise, and Windows 7 Ultimate, you will need a licensed copy of Windows XP Service Pack 3.

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All seems very straightforward except the virtualization part. According to Microsoft's Scott Woodgate, "Some PCs have [chip-level virtualization] and some don't. It's not as clear as it should be relative to which PCs have support and which don't." Hopefully, they will release a tester program along with Windows 7. [cnet]

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