As for the classic sounds, one thing is the sfx sounds of the building construction, placement, combat and spells, another one is the units' voicesets. Warcraft 1 had simple graphic and assets, so a single voiceset was understandable and bearable for a game of that time(yet the overall quality of the game itself compared to other titles of that age was oustanding), but frankly, considering that Warcraft 3 came in a more modern age that Warcraft 1, it would just be just a tedious feature in the long run, despite an utter callback touch. You may have your own opinions, tastes and preferences, and I respect that, but I also need to be aware about what other players might feel about it(including myself). Anyway, thank you for playing my projects. Stay tuned for the next ones regarding the Warcraft 2 Remake, although it will still take a while.
You can access to the archive here: WC3 Download Archive (1.00 - 1.31.1 + BETA & DEMO) and be able to run any version you like, as long as you own the original, of course.