Enter the group administrator, click the plus sign, and the setting is successful. The software version shown below is: 8.0.28. Let me share the method.

The specific operation process is as follows:

1. Open the WeChat APP on your mobile phone, click WeChat, and then click the group you want to join.

2. After entering the group chat, click on the three points in the upper right corner.

3. Slide down to find Group Management, and then click Enter.

4. Then click Group Administrator.

5. Then click the+box below.

6. Select the group administrator to be set, and then click Finish on the right to set successfully.

7. After the setting is completed, the group chat will show who you added as the group owner.

I have finished sharing, I hope my answer is helpful to you.