This free version includes permanent access to the Vvardenfell zone, its main story, and the Halls of Fabrication Trial.
If it hasn't automatically unlocked for you upon logging in, you can "purchase" it for 0 Crowns in the DLC section of the in-game Crown Store. can you buy morrowind with crowns
As of April 2022, ZeniMax made the free for all players for the foreseeable future. This free version includes permanent access to the