Two-Factor Authentication

Google Authenticator Setup Guide

A simple, free authenticator app from Google — the easiest way to try 2FA for the first time.

Visit Google Authenticator →
Why we recommend this

Google Authenticator strips two-factor authentication down to its simplest form, making it a great low-friction entry point for family members who feel intimidated by security tools. It now supports account sync, closing one of its biggest historical gaps.

Price
Free
Platform
iOS, Android
Best For
Simple 2FA starting point
Difficulty
Very Easy

Setup Guide

1

Download Google Authenticator

Search “Google Authenticator” in the App Store or Google Play and install the official app by Google LLC.

Step 2 — Google Authenticator initial launch screen
3

Add your first account

Tap the + button, choose Scan QR code, then go to a website's security settings, find Authenticator App setup, and scan the code shown.

Step 3 — Google Authenticator scanning a QR code
4

Enter the verification code

The app shows a 6-digit code — enter it on the website to confirm setup, and save any backup codes the website provides.

Step 4 — 6-digit verification code display in Google Authenticator
5

Repeat for important accounts

Add Gmail, your bank, Amazon, and social media accounts one by one.

Step 5 — Google Authenticator with multiple accounts listed

Do's and Don'ts

Do

  • ✓Save the backup codes every site gives you when setting up 2FA
  • ✓Add it to your most important accounts first, like email and bank
  • ✓Sign in to your Google account for backup sync (iOS 16+ and Android)

Don't

  • ✕Don't delete the app without disabling 2FA on your accounts first
  • ✕Don't ignore backup codes — they save you if you lose your phone

Pro Tips

Pro Tips

  • Google Authenticator now supports account transfer between devices via QR code.
  • For more features like multi-device support and encrypted backup, consider Authy instead.
  • Save backup codes in your password manager, or print and store them physically.

Frequently Asked Questions

What if I lose my phone?
Use the backup codes you saved during setup, or contact the site's support team.
Can I use it on multiple phones?
Now yes — sign in with your Google account to sync across devices.
Is it different from Authy?
Similar function; Authy adds encrypted backup by default and stronger multi-device support.
Do codes expire?
Yes — each 6-digit code is valid for 30 seconds.
What if the code isn't working?
Make sure your phone's clock is set correctly — the codes are time-based.

Resources

Want help getting this set up?

OhanaSecure can walk you and your family through it, step by step.

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