Syncfusion.Licensing.SyncfusionLicenseProvider.RegisterLicense("YOUR_KEY");

After registering, run your application. The trial popup should disappear. You can also verify programmatically:

Syncfusion.Licensing.SyncfusionLicenseProvider.RegisterLicense("YOUR_LICENSE_KEY");

While one account can generate multiple keys, you must ensure the key matches the platform you are using (Blazor, ASP.NET Core, WPF, etc.). Trial vs. Paid:

Last updated: March 2025 – Works with Syncfusion v25+ and .NET 6–9

using Syncfusion.Licensing;

// At the very top of Main() or before app.Run() SyncfusionLicenseProvider.RegisterLicense("YOUR_LICENSE_KEY");