How does Honghe computer set the countdown?

1. Turn on the computer and click "Start" in the lower left corner of the screen. 2. Enter "Run", enter "cmd" in the box and click "OK". 3. A black box for command input will appear on the page. 4. Enter "Shutdown -s-f-t 3600" at the cursor flashing point, and press Enter to start the "Shutdown Countdown" program. Note > it will automatically shut down after counting down for 3600 seconds, that is, 1 hour. 5. "s" means power off. If you restart the computer, you can convert "-s".