Today, finding an original, unused key is nearly impossible. Physical copies of the Expansion Pack are now collector's items, often retailing for $100 to $200 on eBay. Even then, there is no guarantee the key hasn't been blacklisted or used for online play. Common Issues: "Invalid Key" or "Key Already in Use"
Even today, nearly two decades after their release, these games maintain a cult-like following. Fans still debate the best strategies for the Angmar faction, modders continue to release HD overhauls, and multiplayer communities host tournaments. But there is a single, frustrating bottleneck that every new (and returning) player faces:
Physical copies with original keys are occasionally available on eBay or Amazon , though they are often expensive due to high demand and limited supply.
If you encounter an "Invalid CD Key" error when trying to play online via services like Gameranger , you may need a CD Key Fixer utility to regenerate or reset the key in your registry.