Here is a quick guide to installing the app. You can refer this guide and follow the instructions to quickly install GB Instagram along with Instagram on your mobile.
Step 1: Locating APK file
Locate the downloaded APK file of GB Instagram. To navigate to the location, you can use any popular file manager like ES File Explorer or Google’s Files Go.
Step 2: Installing GB Instagram App:
Now as you find the downloaded APK file of GB Instagram, just tap on the file to install it. You may face a popup asking if it is fine to allow apps from Untrusted sources. If you face any such popup, you need to adjust the security settings to install the app from unknown sources. Here is what to do. Check the below screenshot.
Now doing so will allow the installation of the APK file and once the installation is successful you disable the above option.
Step 3: Post Installation Setup
Once the app is installed just open it like any other Android app on your device. You will be welcomed with a screen which is similar to the normal Instagram app.
Login to the app directly using your Instagram credentials. If you don’t have an Instagram account you can quickly sign up for one.
In this way, you can install and setup GB Instagram quickly in just a couple of minutes.