After copying the files, you must explicitly enable the setting within the game's menu.
Square Enix's own support center confirms that the pack "can be found on the Sleeping Dogs Game Page on Steam".
Save the changes and restart the game to ensure the engine flushes the old assets from the VRAM cache. Troubleshooting Common Issues The "High-Res Textures" Option is Grayed Out
High-resolution textures require significantly more Video RAM (VRAM). If you experience stuttering after turning the setting on: Ensure your graphics card has at least .
For a significant visual overhaul beyond the official 2012 pack, several community-developed "Remastered" mods exist that are compatible with various game versions: Sleeping Dogs - High Resolution Texture Pack on Steam 4 Dec 2024 —
If you own a legitimate non-Steam copy, you can sometimes use tools like SteamCMD to download official depots, but a more direct approach for non-Steam users is to seek out community-backed archives. 2. Community Mods (Recommended Non-Steam Solution)