Syncfusion Licensing FAQ

30 Jan 20231 minute to read

Is an internet connection required for Syncfusion Essential Studio license validation?

  • Syncfusion license validation is done offline during application execution and does not require internet access.

  • Apps registered with a Syncfusion license key can be deployed on any system that does not have an internet connection.

How to upgrade from trial version after purchasing a license

To upgrade from trial version, there are two possible solutions.

  • Uninstall the trial version and install the fully licensed build from the License & Downloads section of our website.

  • If you are using Syncfusion controls from, replace the currently used trial license key with a paid license key that can be generated from the License & Downloads section of our website. Refer to this topic for more information regarding registering the license in the application.


License registration is not required if you reference Syncfusion assemblies from Licensed installer. These licensing changes applicable to all evaluators who refers the Syncfusion assemblies from evaluation installer and those who use Syncfusion NuGet packages from

Where can I get a license key

License keys can be generated from the License & Downloads or Trial & Downloads section of the Syncfusion website.

Get Community License Key


  • Syncfusion license keys are version and platform specific. Refer to the KB to generate the license key for the required version and platform.
  • Refer to this KB to know which version of the Syncfusion license key should be used in the application.

Registering Syncfusion account for direct user

If you have directly obtained Syncfusion assemblies from and do not have a Syncfusion account, follow the steps to obtain a free 30-day trial license key: