Hello, Andrzej Muzyk
Welcome to the Microsoft community.
Thank you for your feedback. You can try logging in to Micrsoft TO DO or other Microsoft apps to see if you need to enter windows hello.
For feedback from other users in the community on this issue, you can refer to the link below:
Why is new Office installation requiring Windows Hello account and - Microsoft Community
I look forward to your feedback, which will help me pinpoint your issue.
Best Regards,
Aaron| Microsoft Community Support Specialist