STUFF YOU WILL NEED:

PSP
PSP-USB cable

Step 1: Getting Everything Ready

Ok, first you need to plug the psp-usb cable in to the psp and computer.
Now you need to go to settings on your psp and select usb mode.

Step 2: Downloading the File

ok now go to this link http://pspslimhacks.com/daedalus-psp-r13-released/
now click on download for psp slim or fat whichever one you have
save the file to downloads or if you have google chrome or firefox it will automatically go to downloads
now open up the downloads folder and left click on the daedalus folder now click extract and extract it

Step 3: Putting the Emulator on Psp

now when you plugged your psp in you should have seen a little window click on open folder to view files and if you just closed it out
unplug your psp and plug it back in now in the folder that opens up click PSP now click GAME and drag the extracted folder of
daedalus to the folder GAME

Step 4: Putting ROMS on Emulator

now click on the daedalus folder in GAME and click on Daedalus now click on Roms now go to
coolrom.com then when you get to the site mouse over ROM files and click on Nintendo 64
and download any game you want