Things You'll Need
Instructions
Plug your PSP USB cable into the top input (mini-USB) on the PSP handheld, then plug the USB cable into an open USB slot in your PC. Use the "left arrow" button on the PSP until you enter the settings menu, then press the "X" button and select "USB Mode."
Download Devhook using one of the links found in the resources section. Click "Open" when "PSPDevhooklauncher.zip" has finished downloading.
Click on the "Start" button located on the left of the Windows toolbar, and click "Computer."
Click on the "Removable Disc" icon that is used by your PSP.
Drag and drop the files in the opened "PSPDevhooklauncher.zip" to the "Removable Disc."
Disconnect the PSP from the USB cable after copying Devhook to "Removable Disc" has completed. Use the "right arrow" button on the PSP to scroll to the "Games" section. Press the "X" button to reveal the "Devhook" option.