Things You'll Need
Instructions
Connect the PSP's mini USB cable to a computer's USB connection, or insert the PSP memory card into the computer's memory card reader/adapter.
Double click the PSP drive that comes up on the computer's home screen or desktop. A window of all the PSP memory card's folders comes up.
Right click the "CTF" file, and click the "Copy" option from the context menu that comes up. Open the "PSP" folder on the PSP memory card.
Right click the "THEME" folder inside the "PSP" folder and click the "Paste" option on the context menu. If the "THEME" folder is not there, click the "New folder" option inside the "PSP" folder. Type in "THEME" and press the "ENTER" key.
Unplug the mini USB cable from the computer, or pull out the PSP memory card from the computer card reader/adapter. Insert the memory card into the PSP.
Select the "Settings" heading in the PSP menu and select the "Theme Settings" option from the "Settings" menu. A list of installed themes comes up.
Select the theme you installed, and select the "Apply" option that comes up. The PSP applies the new theme.