2. Find the following search option on the main page of app store, and click this option to enter the search page, as shown in the figure below.
3. Find the search box above in the search page, and click the search box to enter the search page, as shown in the figure below.
4. Enter the word WeChat in the search page, and then search, as shown in the figure below.
5. Find WeChat in the search results, and click Install on the right to restore WeChat, as shown in the figure below.