Easy Way to Fix Steam Overlay on PC or Mac

Open Steam on your PC or Mac. It’s in the All Apps section of the Start menu in Windows, and the Applications folder in macOS.

Click the View menu. It’s at the top of Steam in Windows, and in the menu bar in macOS.

Click Settings. It’s at the bottom of the menu.

Click In-Game. It’s in the left column.

Check the box beside “Enable the Steam Overlay while in-game.” It’s the first check box in the window.

Click OK. The Steam Overlay is now ready to use.