Version 12.3 of the Apple iTunes software allows users to enable two-factor authentication. To take advantage of the extra security measure, users need to enable two-factor authentication on their Apple ID.
1. From the My Apple ID webpage (https://appleid.apple.com/), select “Manage your Apple ID.”
2. Sign in using your Apple ID and password. You’ll need to verify your email address if you haven’t already done so.
3. Under Password and Security, click “Get started” under “Two-Step Verification.”
4. Click “Continue.” Then click “Continue” again.
5. Click “Get started.”
6. Add a phone number to which SMS (text) messages can be sent. Then click “Next.”
7. A code will be sent to your smartphone. Enter the 4-digit code to verify the number. Then click “Continue.”
8. Be sure to write down the recovery key provided.
9. Once two-factor authentication is set up, you can being using 2FA after a three-day waiting period. This waiting period helps Apple make sure that you are the only person accessing or modifying your account. While you are in this waiting period, you can continue using your account as usual with all Apple services and stores.
For more information visit: https://support.apple.com/en-gb/HT204152