Preparation materials: WeChat APP

1. Open WeChat, then enter the discovery interface, and then click applet.

2. After entering the applet interface, enter a good label to search, and click the good label.

3. After entering the good sign interface, here, take the WeChat file saved in the import photo album as an example, and click this option.

4. After importing the file, click OK to create it.

5. Click Next again.

6. Then enter the file interface and click the signature option in the lower left corner.

7. Then enter your signature by hand, and click the √ symbol in the upper right corner.

8. After handwritten signature, click the send option in the lower right corner.

9. Finally, the send option pops up. Take forwarding a copy here as an example. Click this option, and the file will be successfully handwritten and sent to friends via WeChat.