Most modern mods use the "SDB" (String Database) and "Pac" file formats. When you download a mod, it will usually come in a folder structure like pac/ch/ (for characters) or pac/prop/ (for arenas). Step-by-Step: How to Install a Mod

to push the 2018 graphics into 4K territory, keeping 2K19—widely considered the best "sim" style entry—alive long after its expiration date.

You cannot mod WWE 2K19 with a screwdriver and duct tape. You need a digital arsenal. If you are running the CODEX version, these are the non-negotiable tools:

One unique hurdle for CODEX users is data saving. The CODEX emulator redirects save files away from the official Steam userdata folder.