Techie

You can lock your computer using the Win+L keyboard shortcut. Here’s another way to do it with a single mouse click. Right-click on your desktop, select New, Shortcut. In Type the location of the item, enter rundll32.exe user32.dll,LockWorkStation. Click Next, name the shortcut ‘Quick Lock’, and Finish.

If you wish, you can make it look pretty by giving it a lock or keys icon: Right-click, select Properties, click Change Icon, enter shell32.dll, and select any icon you wish. Drag this shortcut and pin it to the taskbar, after which you can delete the desktop shortcut.