When you connect to a wireless network (WiFi hotspot) by supplying the required password in Windows, this password along with the hotspot SSID gets stored in your PC. In future, if you do not remember these WiFi passwords, then you can use the Wireless Key View program to recover these passwords easily. You may find passwords for WiFi networks that you do not even remember connecting to. But most importantly, it will help you recover passwords for the WiFi hotspots that you want to connect to but have forgotten the password.
The Wireless Key View program, like all the other software tools from NirSofer, is available as a portable executable. You can download either the 32-bit or the 64-bit version of the program, depending on whether you are using the 32-bit or 64-bit version of Windows.
As you launch the Wireless Key View program, it immediately displays a list of all the WiFi hotspots that you ever connected to through your PC. All the hotspots are shown with they SSID (network name), security type, password in both the plain text and hex formats, adaptor and much more.
Usually you do not really have to save the list of passwords to a file, but the Wireless Key View program allows you to export the passwords into a text file. On another Windows PC, you can use this file to import the passwords automatically into Windows so that you do not have to enter them manually when connecting to a hotspot.
Conclusion: Wireless Key View program can quickly recover your forgotten WiFi passwords stored in Windows. It can even export the list of passwords to a file and later import this list of passwords into any other Windows PC.
You can download Wireless Key View from http://www.nirsoft.net/utils/wireless_key.html.