Please note: This video is pretty old, so if you’re using the most recent version of the emulator, it will look very different! Thanks to new patches by TGE, repacking ISOs– and even CVMs– is finally a thing of the past. In our previous guide on modding Persona 3 and 4 (PS2), it was mentioned you’d need to use paid software UltraISO to repack your modified files into a new, bootable ISO. Update 2/27/22: Clarified how to enable hostFS in the latest emulator interface. pnach file now that resources have moved around on the site. Update 12/13/22: Clarified how to generate HostFS.