Before you begin, make sure you are signing into your account on a laptop so your phone is free to set up the Microsoft Authenticator app.
To start the setup process, go to https://aka.ms/MFASetup
Log in with your company email address and password.
The next screen will say “More information required”; click Next.
You will be prompted to download the Microsoft Authenticator app. If you already have the app: On your phone, click on the + in the home menu of the app, Then select "Work or school account", Then skip to step 7.
On your phone, go to the app store and search "Microsoft Authenticator" and you should see the app with the same icon as in the image above. Download the app.
Once downloaded, open the app and allow notifications if prompted. Agree and accept the terms of service and other pop-ups until you see the menu in the image below.
On this menu click "Scan a QR Code"; your camera should open, if it asks you to allow the camera please do so
Back on your computer, click Next and a QR code should appear. Scan this with your phone
Once scanned in you should see your account on the main page.
On your computer, click next and a number should pop up.
On your phone, a notification should appear saying "Are you trying to sign in?"
Enter the number from your computer into the notification on your phone and tap "Yes"
If after entering the number you are prompted for a pin/password; This is your phones pin/password
On your computer, you should see a "Notification approved" message, click next
You are all set!
When prompted for your 2FA code in the future, open your Microsoft authenticator app
Tap your account on the main menu and you should see the "One-time password code" that you are being asked for.