How to add and install applications to Shopify To add and install applications in your Shopify store, open your Shopify admin panel. Now, click on Apps. After clicking on Apps, your Shopify store’s app gallery will open. Now, click on Visit the Shopify App Store. After clicking, Shopify App Store will open in the new tab. Here you can search for any app. Now click on search bar and type the name of any app e.g. Page Fly After searching, your app will appear. Now, click on Page fly. After clicking on app, your app will open. Now, click on Add app. After clicking, app will open in your Shopify store. Now, click on Install app. Your app will be installed to your Shopify store.