A Windows key may refer to any of the following:
1. Alternatively referred to as the winkey or WK, the Windows key is a key found on IBM compatible keyboards used with the Microsoft Windows operating system. The Windows key has the Microsoft logo on it and is found between the left Ctrl and Alt keys on the keyboard. Pressing the Windows key opens the Start Menu.
Using the Windows key in combination with another key allows you to perform common tasks more quickly. For example, pressing the Windows key + E opens Windows Explorer (press and hold the Windows key and then, while holding that key, press the "E" key). For a full list of Windows key shortcuts, see the Windows shortcut keys overview.
Where is the Windows key on the keyboard?
As seen in the picture below, the Windows key is found between the Alt keys and Ctrl keys on both sides of the spacebar. With some keyboard manufacturers they may substitute the Windows logo for another picture, but they key still functions the same.
Where is the Menu key on the keyboard?
Next to the Windows key on the right-hand side of the keyboard is the Application key or Menu key, which brings up a menu for the current window or highlighted text. Pressing this button is usually the same as pressing the menu that appears when you right-click the mouse.
2. A Windows key may also be a short way of saying the Windows Product Key.