For anyone having Ruida connection issues, please try one of these, and report back if it works for you.
Big Sur:
https://drive.google.com/file/d/1XvTlUMFzVkTOqEJ_SGnfDAfhR8yV--q2/view?usp=sharing
Mojave, Catalina, or older:
https://drive.google.com/file/d/19fZWYdAHbmxVabY4ExlgXiH2gI3wJx_B/view?usp=sharing
Win64:
https://drive.google.com/file/d/1Dg1JF2q78jU8IchmbLHByK1M18iPM7W4/view?usp=sharing