Your account holds certificates and personal reflections, so it is worth protecting.
- Go to My account and billing and find Two-step sign in.
- Select Set up and scan the QR code with a free authenticator app such as Google Authenticator, Microsoft Authenticator or 1Password.
- Enter the 6 digit code the app shows to confirm.
- Save your 10 backup codes somewhere safe. Each one works once.
From then on, opening your account pages asks for a code. Lost your phone? Use Use a backup code on the same screen, which gets you in for 12 hours so you can set the app up again.