PC Shutdown scheduled by the means of the system
To shutdown the computer on a schedule, you can use standard tool of the system - Task Scheduler, without resorting to the third-party software. How to do this is explained in this small instruction below .
First, start task scheduler: Start → All Programs → Accessories → System Tools → Task Scheduler, in the main window select "Create Basic Task...". In the Task Wizard, specify the name of the task and, if necessary task description.
The wizard then prompts the user to decide when to run the task, for example daily or only once, specify the date and time of the task.
In the section "Action", select the tab "Start a program". In the line "Program" write shutdown and specify arguments "-s-f-t 0", apply all changes and click on the button "Finish".