Log in your ProtonMail account and click on Settings in the top right, then choose Go to settings.
Click on Account and password and toggle on Two-factor authentication.
In this step is shown the QR Code that contains the secret key which you need to scan with Authenticator App by 2Stable. Keep this window open as you reach for your iPhone or other Apple device.
Note: Do not scan the demo image shown below.
Open Authenticator App and at the bottom of the screen, tap the plus button and hold your device up to the computer screen to scan the QR Code.
After successfully scanning the QR Code, Authenticator App will automatically choose the ProtonMail logo and autofill the account name and secret key. Tap on Save when ready.
First, you need to enter the password for your ProtonMail account. Secondly, type the code from Authenticator App on the ProtonMail website in the Two-factor authentication code field and click Submit
Your ProtonMail account is now protected. You can copy the recovery codes into Authenticator App or save them in a safe place. Press on Ok and that's all.
You're all set! You've enabled Two-Factor Authentication (2FA) for your ProtonMail account. To learn more, visit the ProtonMail support page. Stay safe!
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