1. Download the stock software for installing XX securities from the Internet to the computer.

2. Open the stock software.

3. Click on the K-line chart of a stock.

4. Place the mouse arrow in the blank space of the K-line chart (any point in the black area).

5. Click the right mouse button, select "Main Map Indicator" in the pop-up window, and click "Select Main Map Indicator".

Click "MA moving average" in the "Main Map Indicators" dialog box to modify the numbers of the four moving averages that pop up (if you want to set it as a few days moving average, just fill in a few Arabic numerals, and fill in 0 for the other moving averages), and finally click "OK".