# Sign-in and 2FA
Sign in to your user profile in the Back Office using your email address and password.
If two-factor authentication (2FA) is enabled for your user profile, complete the sign-in process by entering a verification code from the Google Authenticator app.
If 2FA isn't enabled, you'll be prompted to enable TOTP (time-based one-time passwords) 2FA and will see the following message:
## Enable 2FA
For security purposes, we recommend enabling two-factor authentication (2FA) for your user profile.
To enable 2FA:
{% stepper %}
{% step %}
In the upper-right page corner, click the profile button displaying your email address.
The profile button in he upper-right page corner
{% endstep %}
{% step %}
Select **Enable 2FA** in the dropdown.
In the displayed popup, the only supported 2FA option using TOTP (time-based one-time passwords) is selected.
Enable 2FA
{% endstep %}
{% step %}
Click **OK**.
{% endstep %}
{% step %}
Follow the displayed instructions to set up 2FA with the Google Authenticator app.
{% endstep %}
{% endstepper %}
After enabling 2FA via TOTP, each time you sign in to the Back Office, after entering your credentials, you'll be prompted to enter a code generated by the Google Authenticator app.
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