Using Command Prompt you can find the password of Wi-Fi connected networks. In windows 8 and 10 you have to do just right click on start menu then select “Command Prompt (Admin)”.
Here are the process:
netsh wlan show profiles
When you type above line and enter it will open all type of (Wlan) list connected to your network.
After list appears you now you have to select one of them which one you want to see password.
So, just type this command and you will see the result what you want to see.
netsh wlan show profile name=profilename key=clear
Just type profile name(which name you want to select) then key (infront of key there is a name just type it.)