Switch to the Multitasking tab, when seen. Under the Settings app, navigate to System.
TURN OFF ALT TAB WINDOWS
Press Win+I key shortcut to open Windows Settings app. With this, you can limit the number of tabs that are displayed so things don’t get overcrowded.
TURN OFF ALT TAB WINDOWS 10
Windows 10 users may disable Edge tabs from Alt + Tab display for convenience as follows: The following steps will help Windows 10 users to disable Edge tabs from Alt + Tab display: Do not display Edge tabs in Alt+Tab in Windows 10