A Unity ID allows you to buy and/or subscribe to Unity products and services, shop in the Asset Store and participate in the Unity community.
Separate names with a comma.
Update...I stopped the download, restarted it and then it paused at 25% and has remained at 25% since...Excellent internet connection.
I've reinstalled Unity Hub, logged out and back in to my account, can find the project in Unity Hub Cloud, but the collaborate download gets stuck...
Running this test for iOS: https://unity3d.com/learn/tutorials/topics/mobile-touch/building-your-unity-game-ios-device-testing when I click on...