From:
Microsoft sets Windows 7 pricing, upgrade programs - CNN.com
When boxed copies of Windows 7 go on sale on October 22, Microsoft plans to charge $119 for Home Premium, $199 for Professional, and $219 for Ultimate. These prices are to
upgrade from an existing license of Windows XP or Vista.
The
non-upgrade price of Windows 7 will be $199 for Home Premium, $299 for Professional, and $319 for Ultimate.
From Friday, June 25 through July 11, consumers in the U.S. will be able to buy an
upgrade copy of Windows 7 Home premium for $49, or Windows 7 Professional for $99. The upgrade will be available at Amazon, Best Buy, Microsoft's own store, Office Depot, OfficeMax, Costco, Staples, Wal-Mart and several other retailers.