Hey, sorry to hear you did not finish, maybe this might help, all the hints and clues are in the mailbox and chat messages, once you find the answer to the code file, you enter it in and should say successful, then drag and drop into game file, then drag and drop to export, every time you enter text it should be all caps, hope this helps and yeah understand for the window menu being buggy, had to be finish on time, lmk if I can help further,
Thanks for trying.