Click on the OK and Apply buttons to execute the changes. Step 2. In the Properties window, navigate to the Compatibility tab and tick the checkboxes next to Run this program as an administrator and Run this program in compatibility mode for. Then you can open its properties window from here. Tip: If you can’t find the Terraria shortcut, press Ctrl + E keys to open the File Explorer and navigate to the C:\Program Files (x86)\Steam\steamapps\common\Terraria.
