To configure two-factor authentication (2fa), click your profile menu in the upper right-hand corner of the PhishingBox portal and select 'My Account'. This will open the Edit Account page.
Click the 'Add Two-Factor Authentication' button to display a QR code. Scan the QR code into your preferred 2fa app then enter the 6-digit code returned by the app into PhishingBox. Click 'Enable' to enable 2fa.