1. Enter the AppStore and click the search box.

2. Enter the keywords of potatoes and apples in the search box and search.

3. After the search results come out, select the installation package.

4. Click Install, enter your ID password, and then wait for the installation to complete.

5. Tudou Chat is an instant messaging application based on mobile phone number, which allows users to communicate and interact through text, voice, pictures and other forms. IOS is an operating system developed by Apple for its mobile devices. It has a highly customized user interface, rich functions and excellent performance.