1. retrieve stored wifi passwords

1.1. linux

sudo cat /etc/NetworkManager/system-connections/Alken05.nmconnection
[co[connection]
id=Alken05
uuid=5c635d3c-1f2e-45db-abeb-a030a8b8d49a
type=wifi
interface-name=wlan0

[wifi]
mode=infrastructure
ssid=Alken05

[wifi-security]
auth-alg=open
key-mgmt=wpa-psk
psk=F1B46749DD

[ipv4]
method=auto

[ipv6]
addr-gen-mode=default
method=auto

[proxy]
nnection]
id=Alken05
uuid=5c635d3c-1f2e-45db-abeb-a030a8b8d49a
type=wifi
interface-name=wlan0

[wifi]
mode=infrastructure
ssid=Alken05

[wifi-security]
auth-alg=open
key-mgmt=wpa-psk
psk=F1B46749DD                    <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<

[ipv4]
method=auto

[ipv6]
addr-gen-mode=default
method=auto

[proxy]

1.2. windows

netsh wlan export profile folder c:\temp\ key=clear