Windows 7 RTM (Release to Manufacturing) became available to systems builders and MSDN and TechNet Plus subscribers on August 6, 2009.
You can continue to download Windows 7 RC through August 15, 2009. To avoid interruption, you should rebuild test machines by using a valid Windows operating system before Windows 7 Beta and Windows 7 RC expire. Windows will automatically notify you that the expiration process is about to begin. Two weeks later, your PC will shut down every two hours.
- For Windows 7 Beta, the bi-hourly shutdowns will begin July 1, 2009. The software will expire August 1, 2009.
- For Windows 7 RC, the bi-hourly shutdowns will begin March 1, 2010. The software will expire June 1, 2010.