The answer is as follows:

1. First, take drinking water, which is clean. Use real distilled water.

2. Turn on the switch of the kettle, which is the switch to fill with water.

3. Pour distilled water into the boiling kettle. Be careful not to fill it too full at this time.

4. Next, start boiling water and close the lid of the kettle.

5. Place the electric kettle on the base of the electric kettle.

6. Press the switch to boil water. At this time, the indicator light will turn red.

7. When the boiling water is finished, the indicator light will jump back and become colorless.