Things You'll Need
Instructions
Connect the USB cable to the computer and the PSP. Go to "My Computer" and check the drive letter of the PSP. (The PC automatically assigns drive letters by the number of drives you currently have.)
Open LimeWire. Go to "Tools" and then "Options." Select the "Download" tab. Click the browse button next to "Save Downloads To." Choose the drive then the folders "PSP" and "Music." Select "OK" to save the changes.
Download a song from LimeWire. Unplug the USB cable from the PSP. Push the circle button on the PSP. Scroll to the "Music" tab on the cross-media bar. Highlight "Select Memory Stick" and then press the "X" button. Scroll to the song and push "X."