Go back to the site you downloaded it from to read installation instructions. To give you a precise, detailed guide, I need to know:
(e.g., a game mod, a 3D model, software)? What happens when you try to open it ? r_thor00.rar
A user-created archive (e.g., custom game mod, 3D model, personal backup). A file from a niche forum or private community. To help you get a "detailed guide," I Go back to the site you downloaded it
(e.g., a specific website, forum, or Discord channel)? I need to know: (e.g.
Look for a readme.txt or instructions.txt file inside the extracted folder.