In the new version of the Windows10, when pressing Alt Tab on the keyboard to quickly switch windows, it will switch in each tab of Edge, resulting in reduced work efficiency and simple settings to solve related problems.
Step 1:
click the "bubble" icon in the lower left corner of the desktop, and click "all settings" in the pop-up panel"
Step 2:
click "System"
Step 3:
click "Multitasking"
Step 4:
Alt Tab selects "open window only"