Things You'll Need
Instructions
Download one of the three video converting programs; they all work in basically the same manner. Double click the downloaded file to install it onto your computer.
Open the program you installed and click the "Add file" or "+" button to open a new window. Select the video file you want to convert and click "OK" to load it into the program. If you are using 4Media, click the "Profile" button and click "MP4" as the output. The other two programs do this automatically.
Click the "Output Folder" button on the program menu to open another new window. Select a place to save the new PSP video and click "OK."
Click the "Convert," "Start" or "OK" button to begin the conversion process of the video. Insert your PSP's memory stick into your computer's card reader and drag the newly created video file into the "VIDEO" folder on the PSP memory stick.
Remove the PSP memory stick from the computer and reinsert it into the PSP. Select the video from the PSP menu's video section to play it.