Connect to what exists.
Windows SDKs and an API for your backend.
Native SDK
Windows SDKs support online verification and protected file downloads: C++20 on x64 with MSVC v145+ and Release /MT; .NET 10 for Windows with a C# integration example. Match the package README build settings.
Trusted backend
The server verification API returns access status and assigned feature codes.
Backend API
Backend services can verify licenses with the language-neutral API.
External services
Configured alert destinations can deliver security notifications. Available integrations depend on workspace settings.