If Keyboard Tab key is not working on your Windows PC, even after restarting your computer, here are working fixes to help you resolve the issue.

The app switcher screen automatically closes when you release the Alt key. But if you want it to stay even after you have released the buttons, you need to use the Alt + Ctrl + Tab key combination.

If Alt+Tab keyboard showrtcut is not working for Games and Apps, and you are unable to switch to another window, this post has the answers for you.