: Click the "More" button (next to Play) > Manage Installation > Configure. Ensure the DLC boxes are checked.
The Complete Edition includes the "Secrets of the Maw" Expansion Pass. To confirm it's active: download-little-nightmares-complete-edition-gog
: Once the download finishes, run the .exe file. Follow the prompts to choose an installation directory and complete the setup. 4. Verify the Complete Edition Content : Click the "More" button (next to Play)