Press F11 to toggle full screen in most web browsers
Press Fn + F11 if the function keys are set to special hardware controls
Click the full screen icon in apps or video players
Use the maximize button in the top-right corner of the window
Press Windows key + Up Arrow to maximize a window on Windows
Press Alt + Enter in some games and apps
On Mac, click the green button in the top-left corner of the window
On Mac, press Control + Command + F in supported apps
Check the app’s view menu for a full screen option
Adjust display settings if the screen is not fitting properly