Because this is , you cannot extract it by itself. You must have all pieces (e.g., Part 1, Part 2, and Part 3) in the same location.
: Ensure all files (e.g., Mirrored_in_Time.part1.rar through Mirrored_in_Time.part3.rar ) are in the same folder. If any are missing, the extraction will fail with an "unexpected end of archive" or "missing volume" error. Mirrored_in_Time.part3.rar
: Download a compatible archiver like WinRAR (official) or the free, open-source 7-Zip . Because this is , you cannot extract it by itself