[1] It was previously found on Microsoft Windows-oriented computer keyboards and was introduced at the same time as the Windows logo key.
While the Windows key is present on the vast majority of keyboards intended for use with the Windows operating system, the menu key was frequently omitted in the interest of space, particularly on portable and laptop keyboards.
Some Windows public terminals did not have a Menu key on their keyboard with the goal of preventing users from right-clicking; however, in many Windows applications, a similar functionality could be invoked with the ⇧ Shift+F10 keyboard shortcut, or sometimes Ctrl+⇧ Shift+F10.
Some laptop computers include a menu function on the fn key (usually operated by typing ⇧ Shift+Fn), however, this generally invokes functions built into the vendor's software and is not the same as the key described above.
[4] If Copilot is disabled or not available in a user's market, this key would launch Windows Search.