To install a PS1 EBOOT on your PSP, you must place the game folder within the specific directory on your memory stick. Because Final Fantasy VII is a multi-disc game, the EBOOT file usually contains all discs in one package. Installation Steps
In the mid-2000s, the PlayStation Portable (PSP) represented a paradigm shift for gamers. It promised the power of a home console in the palm of one's hand, a promise that was nowhere more poignantly realized than in the ability to play Squaresoft’s magnum opus, Final Fantasy VII , on the go. However, for many, the journey to Midgar on a PSP was not as simple as inserting a disc. The process of the "eboot install"—converting the original PlayStation disc image into a format readable by the PSP’s custom firmware—became a rite of passage. It was a technical endeavor that bridged the gap between the rigid legality of hardware and the fluid ingenuity of the homebrew community.
If you have the original PS1 ISO or BIN files, you can convert them yourself using utilities like PSX2PSP or the newer pop-fe .
Do not place the EBOOT.PBP file directly into the GAME folder; it must be inside its own subfolder for the PSP to recognize it.
: Verify that your PSP has custom firmware installed. This will allow you to run homebrew applications and games not officially supported by Sony.