Once you powered up your device with `devuan` as your username and `devuan` as your password we may want to change the password for `devuan` and `root` with `passwd`, `toor` is a default pass for `root`, then [install](https://www.devuan.org/os/documentation/dev1fanboy/en/minimal-xfce-install.html) the desktop environment, [XFCE](https://www.xfce.org/about) in this case.
Now [install](https://www.devuan.org/os/documentation/dev1fanboy/en/minimal-xfce-install.html) the desktop environment, [XFCE](https://www.xfce.org/about) in this case.