1. Go to the Game Library tab.
2. Right-click on the game title and go to properties.
3. Click ‘Set Launch Options.
4. This time, put ‘-popupwindow’ in the launch parameters.
5. Click OK. Close and restart the game.

How do I set up borderless gaming?

How do I force a game to run borderless window?

1. Go to the Game Library tab.
2. Right-click on the game title and go to properties.
3. Click ‘Set Launch Options.
4. This time, put ‘-popupwindow’ in the launch parameters.
5. Click OK. Close and restart the game.