Install the from Blizzard's official site. Log in or create a free Battle.net account .

Use the legacy download links for the Diablo II client and Lord of Destruction expansion.

Log into your Battle.net account and navigate to Games & Subscriptions . Scroll to the bottom to find "Classic Games" where you can purchase or view existing license keys.

Intel Core i5-9600k/AMD Ryzen 5 2600, 16 GB RAM, and Nvidia GTX 1060/AMD Radeon RX 5500 XT. Classic Diablo II & Lord of Destruction

Windows 10, Intel Core i3-3250/AMD FX-4350, 8 GB RAM, and 30 GB storage.