Before Microsoft Windows was invented, what key was in place of the Windows key on a keyboard? - Quora
R Country Computer Services - Tech Tip Tuesday: Windows key + L Did you know there is a keyboard shortcut to lock the computer screen when you step away from your computer?
![X 上的 CCISD IT:「Was your computer locked when you walked away from it today? @ccisd T's please keep your computer locked when you are away from it. Just one simple keyboard shortcut X 上的 CCISD IT:「Was your computer locked when you walked away from it today? @ccisd T's please keep your computer locked when you are away from it. Just one simple keyboard shortcut](https://pbs.twimg.com/media/DxNmys4V4AE9XAO.jpg)