Microsoft Watch says that Microsoft has counted sales beginning late last year before the general-public launch. The editorial also notes that license sales in the channel shouldn't count -- the "shipped" versus "sold" debate. Finally, analysts don't agree with the total.
While Vista's sales numbers are being questioned, the OS is clearly going to end up on most PCs sooner or later, and the gaming world has had mixed reactions. Some developers have criticized the new OS, and some gamers have had initial driver problems. Hopefully Vista updates will fix any final issues for early adopters.
Read -- Stacking Vista Licenses Too High
Read -- Windows Vista Debuts with Strong Global Sales