Things You'll Need
Instructions
Connect your PSP to your PC with its USB cable. Once you connect the PSP to the PC, select "USB Connection" to put it into USB mode.
Open your PSP's folder by clicking on your computer icon, and selecting "PSP" from the available drive options.
Copy your emulator folder (which will have a few files and more folders inside it) to your PSP's "GAME" folder. This folder will house all of your emulators and their games.
Disconnect your PSP from your computer and select the emulator from your PSP game menu.