Kali Linux iscompletely legalto download, install, and own.Operating System Status:Kali Linux is a free, open-source operating system built for digital forensics and penetration testing (ethical hacking).Authorized Testing Only:You can legally use Kali Linux on your own personal devices, home lab networks, or corporate systemsonlyif you have formal authorization or are hired to test them.
Not for Daily Use:Security experts note that Kali Linux is not designed to function as an everyday desktop operating system (like Windows, macOS, or Ubuntu) and can actually be less secure if left running as a main host