https://forums.freddyshouse.com/threads/preview-servers-explained.158307/
Preview servers explained :) | The FreddysHouse Forums
Our Preview Servers are Public game servers with a slight tweak. Anyone can join, you don't have to be a GAME.NET Subscriber, or live in the UK. GAME.NET...
preview serversexplainedforums
https://learn.microsoft.com/en-us/project/deploy-project-server-2016
Deploy Project Servers Subscription Edition, 2019, or 2016 Public Preview - Project Server |...
Summary: Learn how to deploy Project Servers Subscription Edition, 2019, or 2016 Public Preview.
subscription editionpublic previewdeployprojectservers