Information about this error when login to Diablo II

What to do if the Diablo II installer doesn't accept your CD key

Retail game box was purchased and is missing the game key.

Troubleshooting steps to resolve this error when installing the Diablo II expansion Lord of Destruction

Troubleshooting the error message "The code you entered cannot be claimed."

Error message information for classic Blizzard games.

What to do if you are unable to use the in-game chat in Diablo II (2000)

Troubleshooting this login error for Warcraft III: Reforged

Lord of Destruction is an expansion and requires that Diablo II is purchased first

Information on purchasing and installing the original Warcraft and Warcraft II