It takes up roughly 5GB of space, compared to the 100GB+ of modern Retail WoW. Where to Download the 1.12.1 Client
You can run it directly from a USB drive or any folder. WoW Vanilla Client 1.12.1 Portable Download Pc
Searching for "World of Warcraft 1.12.1 Client" often yields original ISO files or zip folders. How to Install and Connect It takes up roughly 5GB of space, compared
A portable client is a version of the game that does not require a formal installation process via an installer or the Battle.net app. Since Blizzard no longer officially supports the 2006 version of the game, the community uses "abandonware" style folders. How to Install and Connect A portable client
Do use a launcher if one is included. Simply double-click WoW.exe . Log in using the account credentials you created on your chosen private server's website (not your modern Battle.net email). Essential Addons for 1.12.1
A well-known database for legacy gaming that hosts various versions of the WoW client.
If the game starts in a tiny window, go to System > Video in-game and check the "Windowed Mode" or "Maximized" boxes.