How to know known wifi password which is not connected?

There are Two command:

Run command prompt in windows pc with administrator rights by right clicking on it and then "run as administrator"
then
Command 1:- netsh wlan show profile -this command will show you saved wifi list suppose your saved wifi name is "abc"

then run below command to show the password of saved wifi :
Command 2:- netsh wlan show profile "abc" key=clear