- Sign into your QuickBooks account.
- Click the Gear menu in the upper right corner.
- Click User Profile.
- Click the Security tab.
- Scroll down to Two-step Verification and click Turn On.
- Choose to receive the one-time passcode by either text message or voice message and click Turn On.
- Enter the one-time passcode you received password and then click Continue.
To disable, follow the same steps except click Turn off in Step 5.