MSDN subscription customers can download from the MSDN subscriber download site
Jeff Beehler posted these instructions to upgrade from Beta3/Refresh:
- Backup your server and copy the data to a safe location
- Download the Team Foundation Server RC
- Download the Upgrade Utility
- Uninstall Team Foundation Server Beta 3 Refresh
- Follow the upgrade instructions, which are included with the Upgrade Utility
- Install Team Foundation Server RC
- Complete the post install upgrade instructions, which are included with the Upgrade Utility
For a reference to the major changes since Beta3 refresh, please see Jeff’s posting.