Things You'll Need
Instructions
Turn on your Sony PSP and connect it to your computer with its USB cable. Select "USB Connection" from your PSP main menu. A window will appear on your computer. Click "View Files" to see the contents of the PSP memory stick.
Locate your PSP game files that you previously downloaded onto your computer. Alternatively, you can go onto the resource link from this guide and see the long list of available games for download.
Right-click the game you want to put onto the PSP and click "Copy." Open the "PSP" folder on the PSP memory stick and you will see a few game folders. Right-click the "GAME" folder and click "Paste." This will transfer the game from the computer onto your PSP.
Press the "O" button on the PSP gamepad to disconnect the PSP from the computer and you will be brought back to the PSP main menu. Browse through the PSP menu and you will see the new game you installed. Select it with the "X" button to begin the game.