If you must test it, do so in a virtual machine or a Windows Sandbox to prevent potential system infection.
It could also be a specific "Build" of a mod or asset package for simulation software, though this is less common for that specific naming structure. Safety and Technical Review Chiave.Build.145.rar
The term "Chiave" (Italian for "Key") often appears in repositories or forums dedicated to software activation tools or digital keys. "Build 145" suggests it is a specific version of a developing utility. If you must test it, do so in