This question is an exact duplicate of:
I'm new to Linux operating system and I have Kali Linux installed along Windows on my Laptop. I don't know how to connect to WiFi in Kali Linux. When I press the network settings I get Wired Connection, Proxy settings and all but no WiFi. What should I do? I read some answers here and over Google but I can't understand a bit. So please can anyone help step by step?