Ensure you have parts 1, 2, and any others downloaded.
Because it is a .part3.rar file, it is incomplete on its own. You generally need all other parts (Part 1, Part 2, etc.) in the same folder to extract the full game successfully. otomi-games.com_QYIR6JUO.part3.rar
Based on the naming convention and the "QYIR6JUO" identifier, here is what this file represents: Ensure you have parts 1, 2, and any others downloaded
Right-click Part 1 and use a tool like WinRAR or 7-Zip to "Extract Here." It will automatically pull data from Part 3 to complete the process. Ensure you have parts 1