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.
Run the Diablo II installer first, enter your 26-digit key, and then repeat for the expansion. Log into your Battle
Find in the "Games" tab and click "Install". System Requirements: enter your 26-digit key
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 16 GB RAM
For Windows 10/11, right-click the game shortcut, go to Properties > Compatibility, and set it to Windows XP (Service Pack 3) and Run as Administrator . Project Diablo 2 (Community Mod)