View WiFi Password in Windows
In order to view the WiFi password on your Windows machine, you need to make sure you are already connected to the WiFi network or have previously connected to the WiFi network. If so, then go ahead and right-click on the WiFi icon in the system tray and choose Open Network and Sharing Center.
Now go ahead and click on Change Adapter Settings in the left-hand menu.
Find the icon for Wi-Fi, right-click on it and choose Status.
This will bring up the WiFi Status dialog where you can see some basic information about your wireless network connection.
Click on the Wireless Properties button and then click on the Security tab.