: A modified realmlist.wtf file. As noted in the Nostalrius Beginner's Guide , this file tells the game client to connect to the private Nostalrius server instead of Blizzard’s official servers.
: Sometimes an "uncorrupted" wow.exe is included to ensure the client doesn't default to other private servers. Nostalrius-WoW-Classic.zip
Nostalrius was a volunteer-led project that aimed to recreate the "Classic" WoW experience as it existed in 2004–2006 (Patch 1.12.1). Before the official release of World of Warcraft Classic by Blizzard Entertainment, Nostalrius was the most popular "Vanilla" server in the world, hosting hundreds of thousands of active players. What is typically in the .zip file? : A modified realmlist