While making a backup of a game you physically own is legally gray but often acceptable in some regions (for preservation purposes), downloading a backup from the internet is piracy. We always recommend supporting developers by purchasing games legitimately.
: Specialized tools such as PS5-Xplorer allow users to manage and explore these files on consoles running compatible "jailbreak" firmware.
On an unmodified retail PS5:
Trigger the Exploit: Run the necessary payload via the PS5 user guide or browser.
Debug Settings: Once exploited, a "Debug Settings" menu appears, allowing for the installation of PKG files via a USB drive. How to Install PKG Files on PS5 (Technical Overview)
Currently, (unlike the PS4 in its later years). The PS5’s security has not been publicly compromised to allow unsigned code execution.