WeChat version for operation demonstration: 8.0.27.
1. After opening WeChat, open the "+"sign in the upper right corner, and then click to open "Collection and Payment".
2. After opening the collection and payment page, click "QR code collection" below.
3. At this time, a QR code for receiving goods will appear. You can directly show this code to others to see the receipt, or you can long press WeChat. In the box below, click "Save photo of receipt code" to your mobile phone, print out a photo of receipt QR code or send it to others for receipt.