Use the official links from the Blizzard Forum (RoC + TFT) to install the classic version (pre-1.27) first.
Navigating Warcraft 3: The Frozen Throne Patch 1.31 Downloads warcraft 3 frozen throne 131 download top
This method uses your original Warcraft III CD keys to download the latest "Classic" version through the official Battle.net desktop app. Use the official links from the Blizzard Forum
Finding the right file for requires trust. You need a clean, virus-free repack that preserves the integrity of Blizzard’s masterpiece. warcraft 3 frozen throne 131 download top
Warcraft 3 Frozen Throne 1.31 Download: The Definitive Guide to the Ultimate Classic Version
Acquiring version 1.31 requires caution, as it's no longer officially distributed by Blizzard and many third-party sites can be unreliable.