1 It’s Included with ArcGIS for Desktop
An ArcGIS Online subscription comes with every ArcGIS for Desktop license that is current on maintenance. Activate your ArcGIS Online account to access rich, ready-to-use content.
2 You Activate ArcGIS Pro through Your ArcGIS Online Account
To access ArcGIS Pro, you’ll need an ArcGIS Online named user account. ArcGIS Pro licenses are assigned and managed through ArcGIS Online. With ArcGIS Pro, you can design in 3D as well as 2D and work with multiple displays and layouts. You can publish your maps directly to ArcGIS Online and view them in the Scene viewer. Because ArcGIS Pro is a 64-bit app, it processes data faster than ever.
3 ArcGIS Online Provides All Kinds of Content
Looking for basemaps, imagery, elevation, or other data? ArcGIS Online includes a vast collection of maps and data from Esri and thousands of organizations from around the world. With the award-winning Living Atlas of the World, you can explore demographic, business, landscape, climate, and other types of maps. Esri Demographics adds contextual information about a location, such as population, household, and spending data. You can access Esri Demographics in ArcGIS Online using the Enrich Layer tool.