If you must find an archived patch for offline/LAN use, only download from (like Hive Workshop’s “Warcraft III Patch Archive” thread), always scan with antivirus , and understand it’s unsupported.
Download the full client (typically around 2GB) rather than an "updater". Use your official CD keys during the installation process. Option B: Blizzard Legacy Installers warcraft 3 patch 129 download 39link39 free