Fusion Hub wizard did not pop up during setup

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Step 6 of the Fusion 101 - Getting Started guide says the Fusion Hub wizard would pop up. It did not. Link: https://doc.photonengine.com/fusion/current/fusion-100/fusion-101#step_1___download_sdk

Also I was immediately met with a ton of compiler errors complaining about Singleton instances not existing.

The only way in which I deviated from the steps was by attempting to import it into an existing Unity 2021.3.21f1 project. Is this a defect or do you have to start a new project to use this for some reason?