1. First of all, you need to open WeChat in your mobile phone, enter the main interface, click the "+"icon in the upper right, and click Sweep in the drop-down window.

2. Secondly, turn on the scanning function, then turn on your computer, then turn on the WeChat on the desktop, and use the scanning function of the mobile phone to scan the QR code on the computer. At this point, click the interface "Login" that appears on the phone.

3. Finally, the status of "logging in" will be displayed on the computer, waiting for its login to be completed.