To enable Two-Factor Authentication:

1. Open the “Settings” page
2. Open the “Security” tab, which will show you a QR code and a written code
3. Scan the QR code or manually copy the code into a 2FA app of your choice
4. After that, a 6-digit code will be displayed in the app
5. Return to the “Security” tab and enter the 6-digit code as well as your current password
6. Click on “Enable” to activate 2FA

To disable Two-Factor Authentication:

1. Open the “Settings” page
2. Open the “Security” tab
3. Enter the 6-digit code from the authentication app as well as your current password
4. Click on “Disable” to deactivate 2FA