You are now ready to go. If you want to use it, go to the library where you have assigned any documents templates and click on "New Document" - "TemplateHub"
If you can see the following Form with your documents and Categories then you are good to go.
Within this window you will have certain possibilities
Choose a template document and click the Create & Open Button to open it directly in the Word Online Editor. To get directly to the Editform you can click the Create & Open Form Button.