Do you have administrative access to your organization's portal?
Alternative Method: According to community resources, you may be able to register for an Esri Trial account to access the downloads. System Requirements for Installation
Note that ArcGIS Desktop and its associated SDKs entered in March 2024 and were officially retired on March 1, 2026 . Esri now recommends migrating to ArcGIS Pro and the ArcGIS Pro SDK for .NET . How to Download ArcObjects SDK 10.8 arcobjects sdk 108 download full
For the .NET SDK, you typically need Visual Studio 2017 or 2019.
: Windows 10 (Pro or Enterprise) is recommended. Windows 10 Home is technically unsupported by Esri Support . Do you have administrative access to your organization's
The ArcObjects SDK 10.8 remains a powerful tool for extending and customizing ArcGIS Desktop and building desktop GIS applications. While ArcGIS Pro represents the future of Esri's desktop GIS platform, ArcObjects SDK 10.8 continues to be a viable development platform for organizations maintaining legacy ArcMap extensions and applications.
The definitive location for the software is the My Esri platform. Access requires administrative privileges or download permissions linked to your organization's Esri account. Esri now recommends migrating to ArcGIS Pro and
Finding specific from ArcObjects to Pro SDK Troubleshooting Visual Studio integration errors Writing a basic C# script for a 10.8 Add-in
: Use the Add-in wizard to create buttons, tools, or dockable windows that integrate directly into the ArcMap toolbar.
Run the SDK .exe or .msi . Ensure you install it for all users if working in a development team.