1. In the search box on the WeChat message page, enter WeChat Open Class and open the mini program WeChat Open Class.

2. Select the community and click on the picture above for the 2018 WeChat data report.

3. When the following page appears, click to save the picture to your phone.

4. Select ⊕ in the upper right corner and click "?Scan".

5. Click on the upper right corner and select "Select QR code from album". Recognize the QR code of the picture just now, and the WeChat data report will appear.

6. Swipe down until the following page appears, click here.

7. It will eventually appear that you have been with WeChat, that is, how long you have been using WeChat.