Microsoft has been showing off Vista for months.
Microsoft has announced the date on which Windows Vista will be made available to businesses.
From 30 November corporate customers of the software giant will be able to get their hands on the next version of the operating system.
Also on that date Microsoft will make available Office 2007 - its suite of business programs.
Home users will have to wait until January 2007 to get hold of a copy of the Vista software. "