1. Copy and paste "xrated.key" into the folder where Tropical Liquor is installed.
  2. You can find where Tropical Liquor is installed by right-clicking on the game in the Steam window and going to Properties > Local files > Browse local files.
  3. Once the patch is correctly installed, the side menu on the title screen will now have an H Scene option which you can use to view R18 scenes after they've been unlocked.
  4. To uninstall the R18 patch, simply go to the folder where Tropical Liquor is installed and delete "xrated.key".