Remembering your WiFi password when you are on a guest network is never easy. Even worse is when it is no longer published and someone else asks you for it. Fortunately, there is a command built into Windows to recover the password for a given WiFi network.
The shell code
Open cmd and run the following command:
netsh wlan show profile name="David Walsh's Network" key=clear
The output of the command, assuming the network is found, is a long text with a variety of information about the network. To get the network password, look under the “Security Settings” heading, which will look like this:
Security settings
-----------------
Authentication : WPA2-Personal
Cipher : CCMP
Authentication : WPA2-Personal
Cipher : GCMP
Security key : Present
Key Content : **THE_PLAIN_TEXT_PASSWORD**
As with any complicated command line format, it’s best to create an alias so you don’t have to remember the entire string.
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