Wechat version for operation demonstration: 8.0. 19.
1. Open WeChat first and then select me as shown in the figure below:
2. Then click on your avatar, as shown in the figure below:
3. Select more information later, as shown in the following figure:
4. Then select a personalized signature, as shown in the following figure:
5. Enter the required personalized signature content, and then select Save, as shown in the following figure: