Setup the Microsoft Authenticator App

On the Computer:

1) Go to on Chrome, or preferred browser and choose the account you want to setup, if your account isn’t there pick “Use another account”

Choose Another Account Microsoft Login

2) More information required will appear press next

Microsoft Login More Information Screen

3) On this screen on Step1 from “How should we contact you” please pick “Mobile App”

Microsoft Login Mobile App

4) With mobile app picked tick “Use Verification Code” and then press “setup”

Microsoft Login Setup Mobile App

5) Wait for the Configuring screen to finish loading (15-30 seconds)

Microsoft Login Wait for it to finish configure loading screen

6) You should now see this please leave your computer like that and go to your phone now

Scan QR code screen now go to your mobile phone and download the Microsoft Authenticator App

On the Phone:

1) Download the app and install (

Note: for MAC/Apple please follow this guide (

2) Open the App and you should see below screen

Microsoft Authenticator App Landing Screen

3) Pick Add Account below and Choose Work or School Account

Microsoft Authenticator Add work account

Microsoft Authenticator  Pick Scan QR code

4) Pick Scan a QR Code

Microsoft Authenticator Move your phone camera to scan computer screen's QR code

5) The phone should now use your camera or ask permission to do so you want to direct the Redline or Camera to scan the code on your computer screen

Microsoft Authenticator Successful setup should add the account like so

6) Your account should now be added on the phone when you click to open it you should see a code that will change every now and again

Microsoft Authenticator to access one time codes tap on the account you just added

On the Computer:

  1. Go to and enter your sign in details you should now be prompted to enter a passcode from the phone after you enter your password
  2. If it comes up with an error on Chrome try in incognito window for example - the error could be "You're account is deactivated or your username is incorrect"
  3. See The Cache Clear process & Incognito Window guide
  4. Also please check with your IT team / CLASS administrator that you have a CLASS user account & Microsoft Office account setup for your organisation. More here for your admin or for yourself