How can I verify Tor Browser's signature? [ FOR LINUX USERS (KALI & UBUNTU OS) ]

Digital signature is a process ensuring that a certain package was generated by its developers and has not been tampered with. In this video I’ll show you how to verify that the Tor program you download is the one that developers have created and has not been modified by some attacker.
Here,I have show the steps for LINUX USERS( KALI & UBUNTU OS ).