Oh wow...
. 2020.11.04 21:00:21 - OpenVPN > open_tun
. 2020.11.04 21:00:21 - OpenVPN > wintun device [Local Area Connection] opened
It worked !
First time ever on my computer.
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Edit: Wrong thread, now I see the other ones about Eddie 2.19.5, but... well, here it is, it works ! Microsoft Windows [Version 10.0.19042.572] ( aka 20H2 ), WinTUN driver installed and connection to AirVPN was blazing fast !
Typing this message through the VPN 😉