Step 1: Go to Instagram “Settings”.
Step 5: Now choose how to get Login Codes - You can use an Authentication app (Recommended), WhatsApp, or Text Message.
Step 1: Tap “Next” to be directed to App Store/Google Play.
Step 2: Download the recommended app by Instagram (DUO Mobile).
Step 3: Go back to Instagram and continue the process by following the instructions.
Step 4: You will be requested to enter your login code. At this moment a small pop-up window will allow you to use Duo Mobile to get a code. Tap Duo Mobile.
Step 5: Check the 6-digit code that Duo Mobile generated and enter it on your Instagram.
Step 6: Great! Now your 2FA is On.
Step 7: Tap Done. You will then be directed to your Recovery Codes, Take a screenshot of them, print them, and keep them in a safe place.
Step 2: Copy the key.
Step 3: Follow the instructions.
Step 4: Tap “Next”.
Step 5: Enter the key to the Authentication app you chose.
Step 6: The app will generate a 6-digit code. Once received, come back to Instagram, enter the code, and tap next.
Step 7: Instagram Two-Factor Authentication is on.
Step 8: Tap “Done”. Then you will be directed to your Recovery Codes, Take a screenshot of them, print them, and keep them in a safe place.
Step 2: Check your WhatsApp account and search for the 6-digit code from Instagram’s WhatsApp number.
Step 3: Enter the code and tap “Next”.
Step 4: Instagram Two-Factor Authentication is on.
Step 5: Tap Done. Then you will be directed to your Recovery Codes, Take a screenshot of them, print them, and keep them in a safe place.
Step 3: Open the app and follow the instructions.
Step 4: Enter the 6-digit code and tap next.
Step 5: Instagram Two-Factor Authentication is on.
Step 6: Tap Done. Then you will be directed to your Recovery Codes, Take a screenshot of them, print them, and keep them in a safe place.
Source: Instagram.com