01. Start / Settings / Taskbar & Start Menu / Advanced / Add.

02. Type rundll32.exe user32.dll,LockWorkStation and press Next.

03. Select the Location of this shortcut. I chose Start Menu.

04. Enter a Name. I chose Lock Workstation.

05. Press Finish.

06. Navigate to the shortcut by right-clicking the Start button and clicking Explore.

07. Right click the Lock Workstation shortcut and press Properties.

08 Set it to run Minimized.

09. Click in Shortcut Key and press the key you want to use to lock Computer.

10. Press OK.