To enable standard 2-step verification, click on the Application Settings button in the top right of the platform:
This window will default to the Accounts tab so you would click on the 2-Step Verification tab followed by clicking “Turn On” under the 2-Step Verification section
This will prompt you to enter your password and click “Turn On”:
Once you have turned 2-Step on, you will receive an email to approve any new device.