To add 2FA to your account you will need to get an authenticator app installed on your phone beforehand. A list of recommended apps can be found at the end of this guide.
How to enable 2FA on my Wordify account:
Open the user profile menu by clicking on the circle in the bottom left-hand menu.
Choose My Security
Click Enable 2FA
The next screen will show a QR code which you can scan with your chosen app. Once this has been added, confirm your code in the box.