Watch the video:
Timestamps:
0:00 - Explanation
0:28 - 1) View all saved WiFi passwords
0:49 - 1) Downloading WirelessKeyView
1:33 - 1) Get saved WiFi passwords with WirelessKeyView
2:19 - 2) Built-in: Get current WiFi password
3:10 - 3) Build-in: See previous network's passwords
Wanted to view the WiFi password to share it with another person? Can’t figure out how to do it? Well, this video shows you how to get the WiFi password, assuming you’ve already logged in once, from a Windows computer. The video shows 2 built-in (no download) methods, as well as a third-party program from NirSoft that accomplishes the job in a much easier way.
NirSoft WirelessKeyView: https://www.nirsoft.net/utils/wireless_key.html