: If newer versions fail to open or break licenses, you can revert to 2.4.5 by going to Settings > Advanced and changing the release channel to "Production". Endless Installation Fix
Elias double-clicked.
Hub 3.0.0 Cannot Activate Licenses - Page 2 - Unity Discussions Unity Hub 2.4.5
It lacks modern security updates and integration with newer Unity services. Most technical support from Unity now assumes you are using Hub 3.x. How to get it (if you need it) Unity Hub 2.4.5 crashes on launch - Unity Discussions : If newer versions fail to open or
: Centralizing all Unity projects, regardless of the version they were built with. Most technical support from Unity now assumes you
: It acts as a dashboard where developers can create new projects from templates or open existing ones with the correct associated Editor version.
Disclaimer: Always check Unity's Terms of Service regarding legacy Hub versions. Some newer Editor features may not function correctly with unsupported Hubs.