2. after entering the document, directly select the "window" menu in the menu bar at the top of the software to open its drop-down options.
3. In the open drop-down options, select the "Brush" menu option to open the "Brush" pop-up window.
4. After opening the "Brush" pop-up window, find and click the "More Menu" option button in the upper right corner of the pop-up window.
5. Click to open more menu options. Find and click the "Show Calligraphy Brush" option among the opened menu options.
6. After clicking, you can see that the calligraphy brush has been displayed in the brush panel. Click to use it normally.