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.
You will need a tool like WinRAR or 7-Zip to open it. Chiave.Build.145.rar
"Chiave" is also used by manufacturers (like Siemens SIMATIC ) to refer to hardware license keys or USB dongles. The term "Chiave" (Italian for "Key") often appears