1. Take the iPhoneXS mobile phone as an example, and click the App stoer store on the mobile phone to enter.
2. After entering the App store, click Search in the lower right corner.
3. Enter the name of the group help software in the top box of the App store, and then click Search.
5. After the name of the first public help software is displayed, click Get Download.
5. After the download is completed, the following figure will be displayed on the desktop.