Turn on your console and select Enable HEN (if applicable).
to "Copy Serial" or check the spine of your physical game case. Sourcing the PKG : Tools like the sims ps3 pkg upd
A PKG file is a package format used by the PlayStation 3 to install digital content. Unlike physical discs, which read data directly from the drive, PKG files are containers that unpack game data, licenses, and metadata directly onto the console's internal Hard Disk Drive (HDD). Turn on your console and select Enable HEN (if applicable)