Auto shutdown your computer in a specified time without any softwares..!

Step 1: Right click on your desktop and choose “New=>shortcuts”.Step 2: In the box that says “Type the location of the shortcut”,
type in “shutdown -s -t 3600” without the quotation marks and click next.

Note: 3600 are the amount of seconds before your computer shuts down. So , this means 3600 seconds = 60 mints (1 hour). You can change the value in the above code. You can even create multiple shutdown shortcuts. For example a computer shutdown shortcut for 30 minutes, 1 hour, 2 hours, 5 hours etc.,

Step 3: Make up a name for the shortcut and double click on it and you’re done.

Optional Step 4 : You can change the icon by right clicking=>properities=>change icon=>browse

To abort or cancel the shutdown:
To make an abort key to stop the shutdown timer just create another shortcut and make
the “location of the shortcut” to ” shutdown -a”  and double click on it to stop the auto shutdown