3 月 27 2005
Windows Longhorn 的 roadmap :
Windows XP Professional x64 Edition: April 2005
Longhorn Client Beta 1: H1 2005
Longhorn Client Beta 2: H2 2005
Longhorn Client RTM: H1 2006
WinFS Beta: H1 2006
Virtual PC 2006: H1 2006
Longhorn SP1: H1 2007
Longhorn Server: H1 2007
Release schedule :
Longhorn Beta 1 Milestone 9 (Beta 1 M9) and platform code complete
March 16, 2005
Longhorn Beta 1
May 25, 2005
Longhorn Beta 2
October 12, 2005
Longhorn Client Release Candidate 0 (RC0)
February 22, 2006
Longhorn Client Release Candidate 1 (RC1)
Longhorn Client release to manufacturing (RTM)
May 24, 2006
Longhorn Launch (widespread public availability)
Summer 2006 to October 2006, depending on release schedules for other Longhorn wave products.
Longhorn Server RTM/Longhorn Client SP1 RTM
Second half of 2006/first half of 2007 (Client RTM + 6 months)
Longhorn Starter Edition
Analogous to Windows XP Starter Edition.
Longhorn Home Edition
Analogous to Windows XP Home Edition.
Longhorn Media Center Edition
A superset of Home Edition that includes the Media Center functionality. Analogous to XP Media Center Edition.
Longhorn Professional Edition
Analogous to Windows XP Professional Edition.
Longhorn Small Business Edition
A new product edition aimed at the small business market. Currently very similar to XP Professional Edition.
Longhorn Mobility/Tablet PC Edition
Analogous to Windows XP Tablet PC Edition.
Longhorn Premium Edition
A new product edition that bridges the consumer and business versions and includes all of the features from the Home, Premium, Pro, Small Business, and Tablet PC Editions (but not Starter Edition). The new Premium edition will also add value to Microsoft”s business-oriented Software Assurance (SA) customers.