ArcGIS Desktop 10.6 includes the following components:
ArcGIS Desktop—Installation for Basic, Standard, and Advanced editions of ArcGIS Desktop, and optional ArcGIS extension products.
ArcGIS Desktop Background Geoprocessing (64 bit)—Installation for background geoprocessing in 64 bit
Database Server (Desktop)—Installation for SQL Server Express instance to store geodatabases.
ArcGIS License Manager (Windows and Linux)—This version is required to run ArcGIS Desktop 10.6 and ArcGIS Engine 10.6 with Concurrent Use licensing. It also supports all other ArcGIS 10.x Concurrent Use releases.
ArcReader—Desktop mapping application that allows users to view, explore, and print maps and globes.
ArcGIS Tutorial Data for Desktop—Data used with ArcGIS Desktop tutorials.
ArcGIS Coordinate Systems Data—Contains the data files required for the GEOCON transformation method and vertical transformation files for the United States (VERTCON and GEOID12B) and the world (EGM2008).