How to turn off computer after a fixed time

For shut down your computer after a fixed time you take some steps. That  are

At first download   Auto Shutdown software by clicking below:
             

http://download.cnet.com/Auto-Shutdown/3000-2084_4-10640426.html

Now install it to your computer . After that you fixed up time you want to shut down
your pc & ENJOY

Source: http://skilledhome.com/