As an initial step, we suggest you watch the video tutorials in the ArcGIS Online Series to learn about the specific capabilities of ArcGIS Online. To get started, download ArcGIS Online for Local Government and place the contents on your computer. Then, you can configure the ArcGIS Online for Local Government organization in your environment using the documents and icons. In doing so, you'll learn how to use the platform to collaborate, catalog, and share maps and applications with members of your organization or the general public.