If this is a pirated game or software, it may contain viruses. Always scan the extracted files with reputable antivirus software like Windows Defender or Malwarebytes .
Files with these types of names found outside of official sources (like Steam or Epic Games) often pose risks:
Ensure all .partX.rar files are in the same folder and named correctly.
A compressed archive format (.rar) that holds one or more files [1].