You cannot "run" or "extract" just part 01. You need the entire set.
Zombies Chronicles is a remastered collection of from previous Treyarch titles: World at War: Nacht der Untoten , Verrückt , Shi No Numa Black Ops 1: Kino der Toten , Ascension , Shangri-La , Moon Black Ops 2: Origins 🛠 Technical Contents CallOfDutyBlackOps3ZombiesChronicles.part01.rar
These multi-part files are common on third-party hosting sites. Ensure you are using a trusted source to avoid malware. You cannot "run" or "extract" just part 01