Since a legal free version of WWE 2K15 does not exist, you may consider these free-to-play WWE titles available on mobile platforms: Quick-session wrestling matches.
Shifted from "arcade-style" to a slower, more realistic simulation with a new chain-grapple system and stamina bars. WWE 2K15 Full Version Free Game Download
Used advanced face and body scanning for more realistic character models on PC, PS4, and Xbox One. Safe Free Alternatives Since a legal free version of WWE 2K15