Windows 8 prices set, pre-orders begin[ Fri, 12 Oct 2012 22:57:10 GMT ]Microsoft opened its Windows 8 operating system for pre-orders on Friday, setting the price for an upgrade to the full version of the software at $70 for a DVD pack. Users can also wait for launch on Oct. 26 to download the system onto their computers for $40, an offer price that will expire at the end of January.