A simple one-line script that retrieves all stored WiFi network names and their passwords from a Windows system.
for /f "tokens=2 delims=:" %i in ('netsh wlan show profiles^|findstr "All User Profile"') do @for /f "tokens=* delims= " %j in ("%i") do @(echo. & echo %j & for /f "tokens=2 delims=:" %k in ('netsh wlan show profile name^="%j" key^=clear^|findstr /C:"Key Content"') do @for /f "tokens=* delims= " %l in ("%k") do @echo %l)