The Windows 7 product keys given away by Microsoft to Windows 7 Release Candidate (RC) downloaders appear to be from a pool of same 15 sets of product keys, similar to what’s happen during public availability of Windows 7 Beta where everybody gets the same sets of Windows 7 Beta product keys, after massive interest crashed the Microsoft servers.

After downloading and installing the 32-bit and 64-bit Windows 7 RC x86 and x64 DVD ISO images, the default activation grace period of 30 days applies. For users who want to use the Windows 7 RC systems beyond 30 days activation period, use one of the following free product keys to activate the Windows 7 system.

Download Windows 7 RC ISO and Product Key

Free Windows 7 RC Activation Product Keys

MM7DF-XXXXX-XXXXX-XXXXX-XXXXX
KGMPT-XXXXX-XXXXX-XXXXX-XXXXX
MVBCQ-XXXXX-XXXXX-XXXXX-XXXXX
KBHBX-XXXXX-XXXXX-XXXXX-XXXXX
BCGX7-XXXXX-XXXXX-XXXXX-XXXXX
RGQ3V-XXXXX-XXXXX-XXXXX-XXXXX
Q3VMJ-XXXXX-XXXXX-XXXXX-XXXXX
6JQ32-XXXXX-XXXXX-XXXXX-XXXXX
P72QK-XXXXX-XXXXX-XXXXX-XXXXX
6F4BB-XXXXX-XXXXX-XXXXX-XXXXX
9JBBV-XXXXX-XXXXX-XXXXX-XXXXX
C43GM-XXXXX-XXXXX-XXXXX-XXXXX
GPRG6-XXXXX-XXXXX-XXXXX-XXXXX
MT39G-XXXXX-XXXXX-XXXXX-XXXXX
MVYTY-XXXXX-XXXXX-XXXXX-XXXXX

The product keys can be used to activate both 32bit and 64bit Windows 7 RC.