OneDrive's free plan has limited storage, but because Word documents are typically small, you can create and store hundreds ...

Even if you don't have a school email address, you can still use Microsoft 365 without paying by taking advantage of a free trial or relying on the zero-dollar but limited functionality of online-only ...

you need to follow the latter guide. Yes, you can download Microsoft Word for free on Mac from the Mac App Store and the official Microsoft website. However, they are trial versions of those apps.