Things You'll Need
Instructions
Connect your PSP to your computer using the USB cable that came with your PSp. Select "USB Connection" from the PSP main menu and your PSP will go into USB mode. Click the "View files" button on the window that appears on your computer and you will see the files and folders the reside on the PSP memory stick.
Locate our PSP game on your PC that you wish to transfer over to your PSP's memory stick. Right-click the game file and click "Copy" from the small menu that appears.
Go into your PSP memory stick from your computer and right-click the "ISO" folder. Click "Paste" and the game file will transfer to the PSP memory stick. This may take up to five minutes to complete.
Press the "O" button on the PSP's game-pad to safely disconnect it from your computer. The main menu will once again be displayed on the PSP screen.
Go to the "Game" section on the PSP main menu and you will see your PSP game there. Select it with the "X" button and the game will load. You are now playing your PSP game off of the memory stick.