How to know password for a wifi you connected previously, in case if you forgot and need to connect another device

The following is for windows.

Open command prompt and run it as administrator

Enter the following command

netsh wlan show profile

This command lists all the network names you have connected and remembered.

then enter the above command along with wifi name and key=clear

netsh wlan show profile netgear72 key=clear

This would display various profile properties in which we can find the password, look out for key content.