Does anyone know how to fix this issue on Microsoft Office Word 365?

I have made a new account on Microsoft Word. But when i opened a blank document to type on it, it said “View only. (My email) doesn’t allow editing on a Mac”. I use Macbook Pro.
And why is this happening? I need help but nothing to seem to be helping on the Microsoft website itself
Does anyone know how to fix this issue on Microsoft Office Word 365?
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