If you’re like most iPhone users, you probably have a ton of apps installed on your device. But what if you want to install a new app, or add an old one to your collection? Here’s how to do it. First, open the App Store on your iPhone and search for the app you want to install. Tap on the app’s icon and then tap on “Install.” Next, go to the App Store’s “My Apps” section and tap on the app you just installed. On the next screen, tap on “Open.” Now, you’ll see all of the apps that are installed on your iPhone. Tap on any of them to open it. ..