Add Microsoft Authenticator to an existing account

Step 1
Head to https://mysignins.microsoft.com/security-info

Step 2
On the Security Info page, click 'Add sign-in method', and then 'Microsoft Authenticator'

Step 3
Download the Microsoft Authenticator 

 For iOS iPhone and Android: 

 https://kb.southstatetech.com/books/microsoft-authenticator

Step 4
Scan the QR code with the Microsoft Authenticator 

 

 

   

 On the Authenticator App: 

  

Step 5
Use the Authenticator app to verify your account