Since the official Blizzard launcher now automatically pushes users to the Reforged client, installing the specific 1.28.5 version requires a manual approach.
For those who want to play Classic Warcraft 3 - Blizzard Forums
Restored the ability for the World Editor to properly import custom assets, which is vital for the modding community. warcraft 3 frozen throne 1285 2021 download
Fixed major bugs, including crashes when switching between Reign of Chaos and The Frozen Throne .
Released in mid-2017, this patch brought several critical quality-of-life improvements that make it the ideal "classic" experience: Released in mid-2017, this patch brought several critical
Improved installation and patching speed by only updating changed files rather than re-downloading the entire game. How to Download and Install 1.28.5 in 2021
Warcraft 3: The Frozen Throne 1.28.5 (2021) Guide Warcraft III: The Frozen Throne version 1.28.5 remains a popular target for players in 2021 and beyond because it represents the "sweet spot" for many legacy fans. It is one of the final versions released before the game was fundamentally altered by the update, which replaced the classic client with a much larger 30GB install and changed the user interface and lighting. Why Version 1.28.5? Why Version 1
Introduced better support for modern monitors with windowed fullscreen and native fullscreen options.