The safest and most legitimate way to acquire the file is by dumping your own physical copy. If you own a physical UMD disc of The 3rd Birthday and a custom-firmware (CFW) enabled PSP, you can connect your PSP to your PC via USB, change the USB device setting in the PSP menu to "UMD Disc," and copy the .iso file directly to your hard drive. Online Downloads
Download the latest or the portable ZIP file. Parasite Eve- The 3rd Birthday PC Download
Press the button on the PSP main menu to open the VSH Menu. The safest and most legitimate way to acquire