https://www.cnet.com/news/you-can-get-a-free-copy-of-elder-scrolls-morrowind-for-pc/

Morrowind is the third installment in the Elder Scrolls series, the first of which (The Elder Scrolls: Arena) was released on March 25, 1994. The series characteristically offers an open fantasy world that allows users to explore freely instead of following a linear plot. 

Bethesda is also offering other promotions as part of the celebration, including a sale on all Elder Scrolls titles and a free play week for The Elder Scrolls Online that starts Thursday and runs through April 4.