Simply fire up your console and select the game, click to the different versions available and select PS5 upgrade. You can then start downloading the new version of Final Fantasy 7 Remake, although keep in mind that this upgrade does not include Episode Intermission.
Final Fantasy 7 Remake was made available on PS Plus earlier in the year, although at the time there was no option for a PS5 upgrade. Final Fantasy 7 Remake Intergrade was released for PS5 back in the summer, complete with visual and performance upgrades.
Final Fantasy 7 Remake was originally released on PS4 in April 2020, and is the first part in a multi-game effort to completely overhaul the original 1997 PSOne RPG.
Read our Final Fantasy 7 Remake Intergrade PS5 review here.