Alt key shortcuts anymore?

1. Why doesn't Alt-Tab work anymore?
2. How do I enable the Alt button?
3. How do I fix the Alt-Tab in Windows 10?

Why doesn't Alt-Tab work anymore?

It's possible that even when keys are registering correctly, the input might not be adequately fed into the system if the keyboard driver is outdated. In most cases, driver issues contribute significantly to not supporting specific keyboard shortcuts, and Alt-Tab may be one of them.

How do I enable the Alt button?

Then go to Settings > Time and Language > Language > click on the default language pack > options > add keyboard > select the name of the keyboard we just created and apply it. Now when you use the Right Alt Key or Alt GR, it will not output any character, or it will output characters you have chosen.

How do I fix the Alt-Tab in Windows 10?

Press together the keys: Ctrl + Shift + Esc to access the Task Manager; Disable all programs that start with Windows; Restart the PC and check the Alt key now works normally; Hope this helps, see you soon!