Microsoft is looking to bolster sales of Windows-powered computers this summer by offering students a free Xbox 360 video game console with a qualifying PC purchase. Beginning on May 18th in Canada and on May 20th in the United States, students who purchase a PC for at least $599 CAD in Canada or $699 in the U.S. will receive a free 4GB Xbox 360. Purchases must be made from participating retailers including Best Buy,, Fry’s Electronics,, Microsoft Stores and in the U.S., and Best Buy,, Future Shop, Staples and The Source in Canada. Microsoft did not indicate when the promotion ends.