WOW started as a great game, attracting many players who eventually got bored with vanilla servers. That’s how we’ve good private WoW servers.
Private WoW servers are based on WoW obviously but there many modifications and changes that can affect gameplay, which would vary from server to server. Each WoW server is world of it’s own, has own features and content.
Some WoW servers also require special client to join which can generally be found on server website. With that being said most of them are unique so are their communities. If you’re looking for private WoW servers you should start by checking out private WoW server list https://serverlist101.com/wow-servers/
Like with any other game and private game servers in general you should check out the server before investing your time and money as some WoW servers won’t stay around for very long.