Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Hi, J N_655.
Welcome to the Microsoft Community.
I understand that you are currently experiencing problems with Microsoft Authenticator. There is a section of Microsoft Learn (English only) dedicated to this issue, designed to provide support for Authenticator users like you.
Here is the link to the forum Microsoft Authenticator - Microsoft Q&A, (English only) where you can ask detailed questions and share your ideas for solving the problem.
I hope the information I have provided will help you find a better direction.
Best regards.
Hannah.Z- MSFT |Microsoft Community Support Specialist