To write on the desktop in the drawing function of the computer, you can follow the following steps: 1 Open the drawing software and select the "text" tool. 2 Enter the words you want to write on the text tool and press the "Enter" key. 3. Adjusts the size, color, and font of the text as needed. 4. Start writing on the desktop by clicking on the Start button on the text tool. 5 If you want to save the writing track to a file, please right-click on the desktop and select the "Drawing Diagram" option. 6. In the " Draw Diagram " dialog box that popped up, select the track you want to save and click the " OK " button. After completing the above steps, the content written on the desktop would be saved to the drawing software and could be viewed and modified at any time.