How do I install an app?

For Android:

Open Play Store
Tap the app category you want, or
Type in the app or keywords you are looking for
Tap on the app you want to install and you can see details of the app like description, screenshots, reviews, rating etc.
Tap on the “Install” button
Alternatively, on the search results page tap the “…more” button for full listing
You can tap on the three dots to the right of each result and see the “Install” option on it
Tap on “Install” and you’re done

For iOS devices

On the Home Screen, tap on “App Store” icon
To browse the App Store, tap on “Apps” at the bottom
Scroll down to and tap on the desired app category, or
Search for the app you want to download by entering the name of the app and tapping on Search
Tap the app you want to download
Tap GET and then tap INSTALL
1.If it is a paid app, tap on the price, and then tap BUY
2. If you have a compatible iPhone with FaceID, then double tap the Side Button and then look at the screen to authenticate