Things You'll Need
Instructions
Download the Codebreaker application onto your computer.
Insert the PSP memory stick into the memory stick reader, then plug the USB cable from the reader into a USB port on your computer. A folder for the memory stick automatically will appear on your desktop.
Drag-and-drop the Codebreaker application file into the memory stick folder. Then remove the memory stick from the reader, and insert it into the PSP memory stick slot.
Press the "Menu" button on the PSP to open the main menu. Then navigate to the "Memory card" option, and press the "X" button to open it.
Select the Codebreaker option in the Memory card screen, then press the "X" button. The Codebreaker application automatically will install onto your PSP device.