Good news for owners of Vista Home Premium, Business and Ultimate Editions, if you purchased them within the Eligibility Period which is July 1, 2009 through January 31, 2010.  The plan is not to allow everyone to trade in their Vista disks for new Windows 7 disks, but to help OEMs sell PCs during the interim instead of waiting to purchase a new PC until after Win7 is released.  From the looks of the screenshots at TechARP, the upgrade process should be fairly painless.

“The Windows 7 Upgrade Program is designed to assist Microsoft’s OEM partners in minimizing the number of end users who may postpone acquiring a new computer because of the impending release of the Windows 7 operating system. This program allows OEMs to offer an upgrade to Windows 7 to end users who qualify.

This is a consumer-oriented program targeted at individual consumers and small businesses that have purchased eligible PCs during the Program Eligibility Period.”

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