You're looking for information on the WoW Vanilla Client 1.12.1 Portable Download for PC. Here are some features associated with this version:
Since Blizzard does not provide an official download for this version, users typically turn to third-party sources: WoW Vanilla Client 1.12.1 Portable Download Pc
If your settings won't save, right-click your WoW folder, go to Properties , and uncheck Read-only . You're looking for information on the WoW Vanilla Client 1
Once you have downloaded your portable .zip or .rar file, follow these steps: 1. Extract the Files right-click your WoW folder
Since this is a portable version, the setup process is streamlined: