R_thor00.rar Site

If this file is related to a game (like Marvel's Avengers, Skyrim, or a 3D modeling program):

Go back to the site you downloaded it from to read installation instructions. To give you a precise, detailed guide, I need to know: r_thor00.rar

Right-click the file and use your security software (e.g., Windows Defender) to scan it for malware before opening. If this file is related to a game