What is the processes to upload license in Orchestrator and where i will get this file?

i am using trial version, I am trying to connect with orchestrator but i am getting some problem while uploading the license in settings.

my doubt is where i will get this license and how i will get. Can you please give a some suggestions. Thank u.

Hi,
https://orchestrator.uipath.com/docs/activating-and-uploading-your-license