It says to use devide key There is none on keyboard
That would be "/" on your numpad. You can't unlock slots for free without an expansion module for the corresponding equipment like, exosuit expansion module, starship expansion module, exocraft expansion module, and frigate expansion module. All other expansion methods are purchased using units which breaks the function of the 'unlock slots' option.
Cheat does not work anymore due to a recent update to the game when you click it on it just says failed!
Trainer must work fine if there are no update requests
Please use the update notification system to report a game patch, update or to report that the trainer may not be working with the latest version of the game. If 3 or more reports have been filed, consider BOOSTING the priority of this title for a faster turnaround on the updated trainer.