Create a Shortcut to Lock Your Computer
Leaving your computer in a hurry but you don�t want to log off? You can double-click a shortcut on your desktop to quickly lock the keyboard and display without using CTRL+ALT+DEL or a screensaver.
To create a shortcut on your desktop to lock your computer:
Right-click the desktop.
New and then click Shortcut.
rundll32.exe user32.dll,LockWorkStation
Click Next.
Enter a name for the shortcut. You can call it "Lock Workstation" or choose any name you like.
Click Finish.
