Before installing the SDK, ensure your environment meets the following technical specifications: ArcObjects Help for .NET developers
is a comprehensive set of Component Object Model (COM) components that form the backbone of Esri’s ArcGIS Desktop applications (ArcMap, ArcCatalog, ArcScene, etc.). The ArcObjects SDK (Software Development Kit) for version 10.8 provides developers with the necessary tools, documentation, code samples, and assemblies to build custom extensions, tools, and standalone applications that interact with ArcGIS Desktop. arcobjects sdk 10.8 download
In the product list, expand ArcGIS Desktop and select version 10.8 . Before installing the SDK, ensure your environment meets
Search for (or ArcGIS Engine) and select version 10.8 . Before installing the SDK
Look for under the Developer Tools section. Key System Requirements