How to save the background of WeChat chat?

Wechat chat background is divided into one person's background and everyone's background, which are set in different ways. The specific steps are as follows.

Someone's background:

1. Open the chat window with friends, click the three points in the upper right corner to enter the chat setting interface (as shown below):

2. Find "Set the current chat background" in it (as shown below):

3. Click the following three ways to change the chat background (as shown in the figure below):

Background of all friends:

1. Click the "Settings" function in the "Me" interface (as shown in the following figure):

2. Click the "General" function (as shown in the figure below):

3. Click the "Chat Background" function (as shown in the figure below):

4. Just choose one of three ways (as shown in the figure below):