: Having your entire PS2 library installed digitally on your PS4's hard drive eliminates the need for disc swapping and reduces wear on aging physical media.
The first step involves extracting game data from PS2 game discs. This data is usually in a proprietary format that needs to be decoded. ps2 to ps4 pkg converter
Not all PS2 games are compatible with the PS4, even with conversion. Differences in hardware capabilities mean that some games may not run as intended or at all. : Having your entire PS2 library installed digitally