Things You'll Need
Instructions
Open the folder on your computer where the Metal Gear Solid eboot file and keys.bin file are saved on your computer. Click the "New folder" option on the file browser on your computer.
Type in "Metal Gear Solid" as the name of the new folder. Drag the "Metal Gear Solid" eboot.pbp file into the folder just created.
Drag the "keys.bin" file also into the "Metal Gear Solid" folder.
Insert the PSP memory card into the computer's memory card reader. Click the "Open folder to view files" option from the autorun window that comes up to see the folders on the PSP memory card.
Right-click the "Metal Gear Solid" folder and click "Copy" from the context menu that comes up.
Open the "PSP" folder on the PSP memory card. Right-click the "GAME" folder found inside the "PSP" folder on the PSP memory card and click the "Paste" option from the context menu that comes up after right-clicking.
Pull the PSP memory card out of the computer card reader and insert it into the PSP. Turn the PSP on if you have yet to do so.
Select the "Metal Gear Solid" application icon from the PSP menu to play.