MCLA IT will notify you when MFA will be turned on for your account. After its been turned on, [https://support.microsoft.com/en-us/office/set-up-your-microsoft-365-sign-in-for-multi-factor-authentication-ace1d096-61e5-449b-a875-58eb3d74de14 follow these steps in this link] to setup your account to work with MFA. During the setup process you'll be asked what your preferred authentication method is. The most convenient method is to approve sign-ins using notifications served through the Microsoft authenticator app. To set this, select "'''Notify me through app'''" as the default verification option and check the box next to ''''Authenticator app or Token'''', You can then select "'''Set Up Authenticator App'''" to proceed with how to configure the Authenticator app on your phone.