Switching to the dedicated AMD GPU
- First, open Radeon Settings. One way to do that is right-clicking on an empty space on the desktop and choosing Radeon Settings from the menu.
- Navigate to Preferences > Additional Settings > Power > Switchable Graphics Application Settings.
- Select the game from the list of applications. If it is not in the list, click the Add Application button and select the *.exe-file of the game from the game's installation directory. This adds the game to the list and you'll be able to select it afterwards.
- In the column Graphics Settings, assign the High Performance profile to the game.