You’ve come to the right place because we’ll get you started. From what you see in the Word window to how to save a document, this Word Tutorial for Beginners is for you.

If you prefer local storage, don't worry: you can get back the traditional way of creating documents, in which they're not saved to the cloud until you choose. In Word for Windows, click File > More > ...

Microsoft says that Word for Windows will soon enable autosave and automatically save all new documents to the cloud by default.