How to do that? i´m a complete noob. Have getting many answers so Okey, well. as a summary this is how to do !! step 1: Put the iso in a folder called "ISO" (in caps) in your mem stick root Step 2: go to the memorystick in the game menu on the psp. To start the game put an UMD in the UMD tray, or enter the "no umd mode" by restart your psp and hold down the Right shoulder button while starting up your psp. and then play the games. That´s how to do it?