Instructions
Press the "Select" button on the PSP. The Visual Shell menu opens. Select "USB Device" until it turns into "UMD Drive."
Insert the UMD game into the PSP, and then navigate to "Settings" and select "USB connection."
Connect the PSP to the computer with the PSP USB cable. A window containing the UMD game information automatically opens on the PC.
Right-click on the ISO image file in the window and select "Copy" from the pop-up list. Right-click on an empty area of the desktop and select "Paste" from the pop-up list. The UMD game will copy to your PC.