Few F-keys not firing off cheats D.O.S.

[kamilbrez]

So far, F-3, 6,9,10 only "ding" windows chime, do not activate cheat

 

[Kalas]

So far, F-3, 6,9,10 only "ding" windows chime, do not activate cheat

Make sure you read the notice + start the game first then the trainer