The group sending assistant in WeChat is generally enabled by default, and only needs to be used directly, but it is also not enabled; First click to open WeChat client.
Then click "I" in the menu bar at the bottom of the WeChat page, and enter the WeChat "Settings" page.
After entering WeChat settings, click to enter the "General" function.
After entering the general function, click Open to enter the "auxiliary function".
On the auxiliary function page, click "Group Sending Assistant" in the disabled function.
Then click "Enable this function" in the function settings to enable the group sending assistant.
After enabling the group sending assistant, click "Start group sending" to enter "New group sending", select the recipient, and edit the message to send.