Things You'll Need
Instructions
Connect the PSP to the PC using a standard USB cable. Plug the small end into the PSP and the large, flat end into a USB port on your computer. Power on the PSP and use the thumbstick to scroll to the left to the "Settings" menu. Scroll down and highlight "USB Settings." Press "X" to put your PSP into USB mode.
Locate the Memory Stick icon on your computer. It will appear in "Computer" if you are using a Windows machine or on your Desktop if you use a Mac. Double-click the icon to open it and locate the "GAME" folder.
Open the folder where you store your downloaded PSP game files. Click on the game you want to play on your PSP and drag it from its folder to the "GAME" folder in your PSP Memory Stick. Wait for the transfer to complete before disconnecting the console from your computer.
Scroll to the "Game" menu and scroll down to the Memory Stick icon. Press "X" to open it and you will find the game you transferred. Highlight it and press "X" to begin playing.