Blizzard killed the old installer. But patch 1.30.4 is the last version that runs classic graphics without Reforged lag.
"Need Warcraft 3 Frozen Throne version 1.30? You don't need a CD key anymore. Here's the trick. Warcraft 3 Frozen Throne 1.30 Download
"Stop updating to Reforged!"
This version focuses on the because it is a critical "bridge" version: it introduced the new NetEase backend (killing many classic private servers) but still used the classic graphics before Reforged. It is often sought after for competitive ladder or specific mods. Option 1: Blog Post / Article (SEO Optimized) Title: Warcraft 3 Frozen Throne 1.30 Download: The Last Great Classic Patch (Full Guide) Blizzard killed the old installer