You can buy the Diablo II (2000) base game and the Lord of Destruction (2001) expansion for approximately $9.99 each on the Blizzard Shop.
The original "Classic" versions are often hidden behind the modern remaster, . Diablo 2: Lord of Destruction Free Download
Your 26-character digital license keys are listed on that same account page; you will need to enter these during the installation process. Popular Ways to Play Today You can buy the Diablo II (2000) base