Alt + Tab is a keyboard shortcut that is mainly used to switch between open programs in Microsoft Windows and other operating systems.
How to use the Alt + Tab?
One needs to press and hold the "Alt" key on the keyboard and press the "Tab" key with it.
Pressing Alt + Tab will move from left to right in switching between open programs.
If you are looking to switch between open tabs in a program, you have to press "Ctrl+Tab".
Press "Alt + Shift + Tab" to move right to left in switching programs.