Unlocking characters in the PC version of has become a necessity for modern players, especially since the game is no longer officially available for purchase on Steam. While the game's final official state was Patch 1.08 (the "Version 2013" update), many DLC and PlayStation-exclusive fighters remain locked by default on PC.
Street Fighter X Tekken PC: Complete Patch 1.08 Character Unlock Guide street fighter x tekken pc patch 108 character unlock link
Find the DLC characters and change their ['unlock'] = 'dlc_b' value to ['unlock'] = 'default' . Unlocking characters in the PC version of has