This file is "Part 17" of a multi-part compressed archive. To use it, you would need all the other parts (Part 1, Part 2, etc.) in the same folder to extract the full game.
Since the base game is free, it is much safer to download it from an official store. Th4eS4im44s4-1.92.145-elamigos.part17.rar
If you already have this file, run it through VirusTotal to check for malicious code. This file is "Part 17" of a multi-part compressed archive
ElAmigos is a well-known name in the scene. Their repacks are generally considered "trusted" within those communities because they usually include all DLCs and are easy to install. Th4eS4im44s4-1.92.145-elamigos.part17.rar