Final Fantasy Zero HD How to make an instant upgrade Bugs upgrade method Raiders

Pro you know, "Final Fantasy: Zero HD" in a bug can make the character instantly upgrade, but how to trigger this bug? Don't worry, the following system is a series of tips and tricks for you to bring you high-level sharing skills, I hope to help everyone.
To the second chapter of the arena, after the third free time is opened, talk to the character on the right side of the arena, then go back to the title screen, then press ALT+TAB to return to the desktop and adjust the system time to change the date. In a few months, for example, when you return to the game, you will find that the operation character is upgraded in an instant. If you want to upgrade to level 99, try again or change the time. If you only want to upgrade to a few levels, shorten the date. a little