1. Use Tencent conference or other similar conference software: first, open the * * * screen-enjoying software and start the * * * screen-enjoying function. On the screen enjoyed by * * *, look for the function of "annotation" or "annotation". Usually this button will appear at the bottom of the screen or in the sidebar. Click the Annotate or Label button to enable the annotation function. You should be able to see some annotation tools, such as graffiti pens and text tools. Use these tools to post your own comments on the screen. Br>2. Use the built-in functions of the operating system: Some operating systems may provide built-in screen enjoyment and annotation functions. For example, in Windows 10 system, you can enjoy the screen with the function of "Remote Desktop" and annotate with the built-in annotation tool. In MacOS system, you can enjoy the screen by using the "screen * * * enjoy" function * *, and annotate with the built-in annotation tool.