I’d be happy to help you with a review of the process, including what to expect, requirements, and potential pitfalls.
If you are starting a new project, it is highly recommended to use ArcGIS Pro and its .NET SDK, which uses modern asynchronous patterns and the latest .NET versions. Installation Tips Visual Studio 2019 and ArcMap/ArcObjects 10.8 arcobjects sdk 10.8 download
If you are developing Server Object Extensions (SOEs), you should look for the ArcGIS Enterprise SDK under the ArcGIS Enterprise downloads. System Requirements & Compatibility I’d be happy to help you with a
❌ Not available on Visual Studio Marketplace, NuGet, or GitHub. including what to expect