Tap Add Account (which appears under the three-dot menu button at the top-right on Android) followed by Scan QR Code. Then you'll be ready to add new accounts into Authy. After you open it, you'll need to enter your phone number to receive a confirmation code. Plus, you can install Authy on your computer for convenience, back up accounts to the cloud, and protect the app with a PIN. Nintendo recommends Google Authenticator, but Authy is one of the best alternatives to Google Authenticator.Īuthy works on multiple devices, so it's easier to migrate if you get a new phone or lose yours. Enter that code and click Submit to move forward.Īt this point, you'll need to install an authenticator app on your phone if you don't use one already. You'll then receive an email from Nintendo with a verification code. If it isn't, select User info from the left sidebar and click Edit next to E-mail address to change it. The site will then ask you to verify your email address click Send email if it's correct. Select the 2-Step Verification setup button to continue on. On the resulting screen, you'll see Not set under 2-Step Verification.