8: DE

KDE

Install KDE Plasma packages :

plasma-meta
konsole
kwrite
dolphin
ark
plasma-wayland-session
powerdevil
xdg-desktop-portal-kde
okular
print-manager
gwenview
spectacle
partitionmanager
ffmpegthumbs
qt6-multimedia
qt6-multimedia-gstreamer
qt6-multimedia-ffmpeg
kdeplasma-addons
powerdevil
kcalc
plasma-systemmonitor
kwalletmanager

Then uninstall discover as not recommended by archlinux.

Configure SDDM, add /etc/sddm.conf :

[Theme]
Current=breeze
[General]
Numlock=on

GNOME

Install GNOME packages :

gnome
gnome-tweaks
gnome-calculator
gnome-console
gnome-control-center
gnome-disk-utility
gnome-keyring
gnome-nettool
gnome-power-manager
gnome-shell
gnome-text-editor
gnome-themes-extra
gnome-browser-connector
adwaita-icon-theme
loupe
evince
gdm
gvfs
gvfs-afc
gvfs-gphoto2
gvfs-mtp
gvfs-nfs
gvfs-smb
nautilus
nautilus-sendto
sushi
totem
xdg-user-dirs-gtk
adw-gtk3
extension-manager-git
snapshot

Then uninstall unnecessary packages :

gnome-software
cheese

Configure system

Setting gtk theme to adw-gtk3

gsettings set org.gnome.desktop.interface gtk-theme adw-gtk3

Enable Numlock at startup

gsettings set org.gnome.desktop.peripherals.keyboard numlock-state true

Enable GDM Wayland session

sudo ln -s /dev/null /etc/udev/rules.d/61-gdm.rules

XFCE

Install XFCE packages :

xfce4
xfce4-goodies
pavucontrol
gvfs
xarchiver
xfce4-battery-plugin
xfce4-datetime-plugin
xfce4-mount-plugin
xfce4-netload-plugin
xfce4-notifyd
xfce4-pulseaudio-plugin
xfce4-screensaver
xfce4-screenshooter
xfce4-taskmanager
xfce4-wavelan-plugin
xfce4-weather-plugin
xfce4-whiskermenu-plugin
xfce4-xkb-plugin
xdg-desktop-portal-xapp
xdg-user-dirs-gtk
network-manager-applet
xfce4-notifyd
gnome-keyring
xdg-user-dirs
blueman
file-roller
galculator
gvfs-afc
gvfs-gphoto2
gvfs-mtp
gvfs-nfs
gvfs-smb
lightdm
lightdm-slick-greeter
network-manager-applet
parole
ristretto
thunar-archive-plugin
thunar-media-tags-plugin
xed

Updating user directories with xdg-user-dirs-update command.