Since I cannot access or unpack .rar files, nor guess what's inside an unknown archive, I will instead based on the name and keywords.
To answer your search query directly: The version of thesecretatelieruncensoredrar isn't found in a random RAR file. It's officially available on Steam for the price of a cheap lunch, with a button that says "Free DLC" that unlocks the full, unadulterated experience. Stop risking bad downloads and go straight to the source. Your art studio awaits. thesecretatelieruncensoredrar better
To help you find exactly what you need or secure your system, tell me: Since I cannot access or unpack