Epic’s anti-cheat/overlay conflicts with manual DLC. Fix: Disable the Epic overlay for Sleeping Dogs . Then, verify the game files (Epic will see the new .dat files as foreign – tell it to keep them).
Thus, we need the .
notes that the pack is an optional free download on the Steam game page Square Enix Support Centre Community Archives
You do not need Steam to make Sleeping Dogs look gorgeous. The process is straightforward: manual file copy, a launch argument, and a registry tweak.
can be tricky because it was primarily distributed as a free Steam DLC. Square Enix Support Centre However, if you are playing the Definitive Edition