Update: This Method No Longer Works as it has been pulled from the store. If you still want the PSX Emulator check out my latest tutorial here on how to sideload it. https://gbatemp.net/threads/how-to-sideload-ps1-emulator-on-xbox-one-needs-further-testing.468391/ Disclaimer- As always I encourage you to only use roms or Image files from games you already own. If you have already read my "How to run GBA Emulator on Xbox One" this one is very similar. [1.] First go to the store and search for WinPDFReader [2.] Purchase it (At the time of writing it's going for $9.99 [3.] Once installed open it and press LB & RB + LT & RT at the same time You will now see a menu that looks exactly like this. You can either download your backups through your Onedrive account or load them from storage. The performance of the Emulator is pretty good. Most games run between 30 - 60 FPS The audio at the moment is a bit choppy but the developer is working on a fix. Here is a video with several games being tested from Crash Bandicoot to FFVII. Edit: For Crash Bandicoot you will want to set Sound Sync to on this will keep the framerate locked to 30 FPS for a smooth experience.