With just less than two weeks before Windows Vista official launch, Microsoft had announce that the new operating system will be added to its Windows Marketplace online store. This move will allow consumers to purchase the operating system online and download it immedietely.

Four versions of the operating system will be available on the online store by the end of January. The prices for the respective versions will be the same as suggested retail price, with the Home Basic going for US$199, Home Premium at US$239, Business at $299 and the Ultimate selling for US$399.

Consumers with multiple computers can also purchase additional license for Windows Vista at just US$50 each.