In order for your project to be available for streaming in the cloud you have to upload it through the PureWeb Console.
UE - Unreal Engine
Many factors can impact the performance of your project before
Use PureWeb's React web client template to create a custom end user experience.
Based on our Engine Support and Deprecation Policy, the following
Developer resources and tips on how to prepare, optimize, test and package your Unreal 5 project.