Click the Publish / Download to open up the Builds window.
Publish
On the Builds window, select the Builds & Publish tab on the left and click the Publish to Viverse Create button to upload the project. This may take a few minutes and a progress bar will show the upload status
Preview The Scene
After the project has been successfully published, click the Preview button to view the project.
Go to Scene
Use the preview URL to verify the scene on VIVERSE Create. If necessary, return to the PlayCanvas Editor to make changes then re-publish the project.