2. After entering the software, enter the name of the application that needs to download the old version in the search bar at the top.
3. In the search results page, click the corresponding application to enter the application details page.
4. Slide down the application details page to see the version history option, and click to enter the version history option.
5. In the version history list, select the version history to download. This is how the iPad downloads the old version of the application.