Setting a timer to shut down PC using CMD

HOW TO SET A TIMER TO SHUT DOWN PC USING CMD

STEP 1: TYPE CMD IN THE SEARCH BAR
STEP 2: RIGHT CLICK ON CMD AND RUN AS ADMINISTRATOR
STEP 3: AND CLICK YES ON THE DIALOG BOX
STEP 4: THEN TYPE “shutdown –s -t 123”
STEP 5: YOU CAN REPLACE 123 sec TO ANY NUMBER OF SECONDS
STEP 6: AND PRESS ENTER TO START THE TIMER.
STEP 7: THE PC WILL SHUT DOWN AFTER THE TIMER IS COMPLETED.