Disable or Enable the “Switch List” (Alt + Tab) in Windows 8

1. Press Windows + C to go to the Windows Charms Bar-> Go to Settings-> More PC Settings.

2. Go to General. In General Settings you will find App Switching. By default it is turned ON.

3. Move the slider to the left to turn it OFF. You are done now.

4. When App Switching is turned off the list with apps will no longer be available