This is the license file required to "unlock" the PKG. Without it, the game will prompt you to renew your license in the PlayStation Store.
Place the corresponding .rap file in a folder named "exdata" on your USB. Use a tool like PSNPatch or reactPSN to activate the content. Visual and Performance Benefits killzone 2 pkg
If you are using a PS3 with CFW or HEN, follow these general steps to install your backup: Format a USB drive to FAT32. This is the license file required to "unlock" the PKG
Always ensure you are using backups of games you personally own. Piracy is a violation of terms of service and harms the industry. PKG files should be used as a tool for preservation and convenience for your existing library. Use a tool like PSNPatch or reactPSN to activate the content
Place the PKG files in the root directory of the USB.