How to start the Computer in Ms. Windows mode?

There is nothing special you need to start this system. Just,
1. Switch ON the Power Supply.
2. Switch ON the CPU and,
3. Switch ON the Screen (Monitor).
How to Shutdown (Turn Off) the Computer?
Before shutting down the Computer, close all opened windows at first. Then,
1. Click on Start button.
2. Click on Shutdown (Turn Off Computer).
Then, Computer asks you:
What do you want the Computer to do?
• Standby
• Shutdown (Turn Off)
• Restart
• Restart in MS-DOS mode.
                        Note: The options will be different from one OS to another.
3. Choose 2nd option (i.e. Shutdown/Turn Off).
4. Click on OK.
Then, wait until the message “It’s now safe to turn off your Computer”.
5. Then, Switch Off the screen.
6. Switch Off the CPU.
7. At last, Switch Off the power supply.