
If you press Command+Tab, highlight an app’s icon, then push the up or down arrow, you will launch a mode that shows thumbnails of all that app’s open windows on the screen. There are other things you can do with the Command+Tab switcher.

Exposing Open Window Thumbnails with Command+Tab Once you’ve highlighted the app you want to switch to, release Command+Tab and the app will be brought into the foreground. Or you can press Command+Tab and use the left- and right-arrow keys to select an app. You can also hold down Command+Shift and tap “Tab” to move the selection cursor in the opposite direction-from right to left. If you hold the Cmd key down while tapping the Tab key, the cursor will move between the icons from left to right.

A row of app icons will appear in the center of your screen.

If you’d like to quickly switch between open apps on a Mac, press Command+Tab. This feature has been in Windows since Windows 2.0 in 1987, and macOS has a similar shortcut. In the world of Windows, many users are familiar with a feature often called “Task Switcher” that allows you to quickly switch between open applications by pressing Alt+Tab.
