Pressing Alt+Tab opens the app switcher ... and disable the toggle switch for "Sticky Keys" on the right. Click the "Sticky Keys" option and disable the keyboard shortcut for it.

For Windows PCs, see Control key, Alt key and Windows key. For Macs, see Command key, Control key and Option key. Desktop Platform Modifier Keys Windows Control, Alt, Windows Linux Control ...

Restart File Explorer Modify ForegroundLockTimeout registry value Modify AltTabSettings registry value Reinstall the keyboard driver Enable Peek option ... and see if the Alt + Tab key combo ...

Following are most of the keyboard options. All menus are selectable by pressing the Alt key and the "underlined" letter of the menu title. For example, Alt-F for File menu is universal.

though the Alt key on Windows keyboards is often replaced by the Options key on a Mac, and the Windows Ctrl key can be ...