How to set up automatic shutdown of win7?

        If your computer needs to be shut down at 22:00, you can select “Start →Run”, enter “at 22:00 Shutdown -s”, so that at 22 o'clock the computer will appear "System Shutdown" dialog The box has a 30 second countdown by default and prompts you to save your work. If you want to shut down in a countdown mode, you can enter "Shutdown.exe -s -t 3600”, which means that it will automatically shut down after 60 minutes," 3600” represents 60 minutes. After setting the automatic shutdown, if you want to cancel, you can enter “shutdown -a” in the run. In addition, enter "ldtdown -i" to open the Set Auto Shutdown dialog box to set the Auto Shutdown. The parameters of Shutdown.exe, each have a specific purpose, each of them will have different effects, such as "-s”" means to shut down the local computer, "-a", means cancel the shutdown operation, listed below Multiple parameters, you can use as needed in Shutdown.exe.