Open the computer version of WeChat, click Login,
Scan with the QR code function of the mobile phone version and prepare to log in.
The computer terminal can only be used normally after the mobile phone terminal confirms the login.
There is an icon with three horizontal lines at the bottom left of WeChat on the computer side. Click to open it.
There is a setting option in the Open drop-down menu. Click Open Settings.
Click General, and then in the General Settings column, click Clear Chat History.
Make sure to clear the chat history and wait until the clearing is completed. After cleaning up, all chat records are deleted.