Using Task Manager:
- Click Start
- Select Run
- Enter "Taskmgr" (without quotation marks)
- Click Ok
- Select Shutdown > Lockcomputer
- Click Start
- Select Run
- Enter "rundll32 user32.dll,LockWorkStation" (without quotation marks)
- Click Ok
You can create a shortcut instead, so that you just click on a shortcut whenever you want to lock the computer. The following instruction creates a shortcut icon on your desktop that has the equivalent function as pressing Win+L.
- Right-click on the desktop
- Select New > Shortcut.
- Enter "rundll32 user32.dll,LockWorkStation" (without quotation marks)
- Click Next.
- Enter "LOCK" (without quotation marks)
- Click Finish.