diff --git a/.gitconfig b/.gitconfig
index dea3a89..825f213 100644
--- a/.gitconfig
+++ b/.gitconfig
@@ -33,8 +33,8 @@
 [fetch]
 	prune = true
 
-[commit]
-	gpgsign = true
+# [commit]
+# 	gpgsign = true
 
 [push]
 	default = simple
diff --git a/.profile b/.profile
index 76f5257..d27f0bf 100755
--- a/.profile
+++ b/.profile
@@ -32,7 +32,9 @@ fi
 eval "$(hub alias -s)"
 
 # Default numlock activation.
-numlockx on
+if [[ -x "$(command -v numlockx)" ]]; then
+  numlockx on
+fi
 
 if [[ -f ~/.screenlayout/default.sh ]]; then
   sh ~/.screenlayout/default.sh
diff --git a/os/linux-desktop.sh b/os/linux-desktop.sh
new file mode 100644
index 0000000..7584cd1
--- /dev/null
+++ b/os/linux-desktop.sh
@@ -0,0 +1,101 @@
+#!/usr/bin/env sh
+set -e
+. /etc/os-release
+
+sudo apt update
+sudo apt dist-upgrade --yes
+sudo apt install --yes \
+  fonts-firacode \
+  fonts-font-awesome \
+  fonts-hack \
+  fonts-noto \
+  fonts-noto-cjk \
+  fonts-noto-extra \
+  dconf-editor \
+  gnome-tweaks \
+  numlockx \
+  papirus-icon-theme \
+  polybar \
+  rofi \
+  xfce4-screenshooter \
+  xfce4-terminal
+
+# Alacritty
+sudo add-apt-repository ppa:aslatter/ppa -y
+sudo apt update
+sudo apt install --yes alacritty
+
+# Google Chrome
+sudo sh -c 'echo "deb [arch=amd64] https://dl.google.com/linux/chrome/deb/ stable main" > /etc/apt/sources.list.d/google-chrome.list'
+wget -O- https://dl-ssl.google.com/linux/linux_signing_key.pub | sudo tee /etc/apt/trusted.gpg.d/linux_signing_key.pub
+sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 78BD65473CB3BD13
+sudo apt update
+sudo apt install --yes google-chrome-stable
+
+# Snap only packages.
+# And yes, we have to do this shitty commands chaining because
+# snap does not understand having an already installed package
+# is not that a deal.
+snap list | awk '{print $1}' | grep -q "^discord$" || snap install discord
+snap list | awk '{print $1}' | grep -q "^code$" || snap install --classic code
+
+# Regolith desktop
+# https://regolith-desktop.com/#get-regolith-22
+wget -qO - https://regolith-desktop.org/regolith.key | \
+gpg --dearmor | sudo tee /usr/share/keyrings/regolith-archive-keyring.gpg > /dev/null
+echo deb "[arch=amd64 signed-by=/usr/share/keyrings/regolith-archive-keyring.gpg] \
+https://regolith-desktop.org/release-3_1-ubuntu-${VERSION_CODENAME}-amd64 ${VERSION_CODENAME} main" | \
+sudo tee /etc/apt/sources.list.d/regolith.list
+sudo apt update
+sudo apt install --yes \
+  regolith-desktop \
+  regolith-session-flashback \
+  regolith-look-gruvbox \
+  i3xrocks-keyboard-layout \
+  i3xrocks-time
+
+# Docker
+# @see https://docs.docker.com/engine/install/ubuntu/
+for pkg in docker.io docker-doc docker-compose podman-docker containerd runc; do sudo apt remove $pkg; done
+curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
+sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu ${VERSION_CODENAME} stable"
+sudo mkdir -p /etc/apt/keyrings
+sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor --yes -o /etc/apt/keyrings/docker.gpg
+sudo chmod a+r /etc/apt/keyrings/docker.gpg
+sudo apt update
+sudo apt install --yes apt-transport-https ca-certificates curl software-properties-common
+sudo apt install docker-ce
+
+sudo usermod --append --groups docker "$(whoami)"
+
+# Podman
+sudo mkdir -p /etc/apt/keyrings
+curl -fsSL https://download.opensuse.org/repositories/devel:kubic:libcontainers:unstable/Debian_Testing/Release.key \
+  | gpg --dearmor \
+  | sudo tee /etc/apt/keyrings/devel_kubic_libcontainers_unstable.gpg > /dev/null
+echo \
+  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/devel_kubic_libcontainers_unstable.gpg]\
+    https://download.opensuse.org/repositories/devel:kubic:libcontainers:unstable/Debian_Testing/ /" \
+  | sudo tee /etc/apt/sources.list.d/devel:kubic:libcontainers:unstable.list > /dev/null
+curl -fsSL https://download.opensuse.org/repositories/devel:kubic:libcontainers:unstable/Debian_Unstable/Release.key \
+  | gpg --dearmor \
+  | sudo tee /etc/apt/keyrings/devel_kubic_libcontainers_unstable.gpg > /dev/null
+echo \
+  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/devel_kubic_libcontainers_unstable.gpg]\
+    https://download.opensuse.org/repositories/devel:kubic:libcontainers:unstable/Debian_Unstable/ /" \
+  | sudo tee /etc/apt/sources.list.d/devel:kubic:libcontainers:unstable.list > /dev/null
+sudo apt update
+sudo apt -y upgrade
+sudo apt -y install podman
+# Enable rootls podman socket
+systemctl --user enable --now podman.socket
+
+sudo systemctl enable docker.service
+# NTP service for datetime sync.
+sudo systemctl enable systemd-timesyncd.service
+
+# Replace default tderminal
+# @see https://stackoverflow.com/a/16808639
+sudo update-alternatives --set x-terminal-emulator $(which xfce4-terminal).wrapper
+
+echo "Please reboot."
diff --git a/os/windows.ps1 b/os/windows.ps1
new file mode 100644
index 0000000..4093928
--- /dev/null
+++ b/os/windows.ps1
@@ -0,0 +1,20 @@
+Set-StrictMode -Version latest
+# TODO: Exit on failure (set -e like)
+# => https://stackoverflow.com/q/9948517
+# If not possible, consider using bash script (call winget.exe) with previous manual WSL installation instead?
+
+# Packages
+winget install --disable-interactivity --accept-package-agreements --accept-source-agreements --exact --id Microsoft.PowerToys
+winget install --disable-interactivity --accept-package-agreements --accept-source-agreements --exact --id Microsoft.Sysinternals.ProcessMonitor
+
+## Game platforms
+winget install --disable-interactivity --accept-package-agreements --accept-source-agreements --exact --id EpicGames.EpicGamesLauncher
+winget install --disable-interactivity --accept-package-agreements --accept-source-agreements --exact --id Valve.Steam
+
+## Web browsers
+winget install --disable-interactivity --accept-package-agreements --accept-source-agreements --exact --id Google.Chrome
+winget install --disable-interactivity --accept-package-agreements --accept-source-agreements --exact --id Mozilla.Firefox
+# TODO: Ensure default browser configuration (procmon -> registry set ?)
+# -> https://www.tenforums.com/performance-maintenance/124376-settings-using-powershell-cmd-2.html
+
+# TODO: WSL install
diff --git a/setup.sh b/setup.sh
index 7f025cb..7a5e123 100755
--- a/setup.sh
+++ b/setup.sh
@@ -18,21 +18,11 @@ sudo apt install --yes \
   bfs \
   btop \
   colordiff \
-  cowsay \
   curl \
-  dconf-editor \
   expect \
-  fonts-firacode \
-  fonts-font-awesome \
-  fonts-hack \
-  fonts-noto \
-  fonts-noto-cjk \
-  fonts-noto-extra \
   fzf \
   git-extras \
-  gnome-tweaks \
   gnupg2 \
-  gource \
   gpg \
   htop \
   httpie \
@@ -40,56 +30,15 @@ sudo apt install --yes \
   jq \
   make \
   net-tools \
-  numlockx \
-  papirus-icon-theme \
-  polybar \
   ripgrep \
-  rofi \
   screenfetch \
   ssh-audit \
   subversion \
   tmux \
   vim \
   wget \
-  xfce4-screenshooter \
-  xfce4-terminal \
   zsh
 
-# Alacritty
-sudo add-apt-repository ppa:aslatter/ppa -y
-sudo apt update
-sudo apt install --yes alacritty
-
-# Google Chrome
-sudo sh -c 'echo "deb [arch=amd64] https://dl.google.com/linux/chrome/deb/ stable main" > /etc/apt/sources.list.d/google-chrome.list'
-wget -O- https://dl-ssl.google.com/linux/linux_signing_key.pub | sudo tee /etc/apt/trusted.gpg.d/linux_signing_key.pub
-sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 78BD65473CB3BD13
-sudo apt update
-sudo apt install --yes google-chrome-stable
-
-# Snap only packages.
-# And yes, we have to do this shitty commands chaining because
-# snap does not understand having an already installed package
-# is not that a deal.
-snap list | awk '{print $1}' | grep -q "^discord$" || snap install discord
-snap list | awk '{print $1}' | grep -q "^slack$" || snap install slack
-snap list | awk '{print $1}' | grep -q "^code$" || snap install --classic code
-
-# Regolith desktop
-# https://regolith-desktop.com/#get-regolith-22
-wget -qO - https://regolith-desktop.org/regolith.key | \
-gpg --dearmor | sudo tee /usr/share/keyrings/regolith-archive-keyring.gpg > /dev/null
-echo deb "[arch=amd64 signed-by=/usr/share/keyrings/regolith-archive-keyring.gpg] \
-https://regolith-desktop.org/release-3_1-ubuntu-${VERSION_CODENAME}-amd64 ${VERSION_CODENAME} main" | \
-sudo tee /etc/apt/sources.list.d/regolith.list
-sudo apt update
-sudo apt install --yes \
-  regolith-desktop \
-  regolith-session-flashback \
-  regolith-look-gruvbox \
-  i3xrocks-keyboard-layout \
-  i3xrocks-time
-
 # GHQ
 wget -O ghq.zip https://github.com/x-motemen/ghq/releases/download/v1.4.2/ghq_linux_amd64.zip
 unzip -o ghq.zip
@@ -107,48 +56,12 @@ curl -sL "https://github.com/zaquestion/lab/releases/download/v${latest}/lab_${l
 sudo install -m755 "${tempFolder}/lab" /usr/bin/lab
 rm -rf "${tempFolder}"
 
+# ???
 # Keybase
 curl --remote-name https://prerelease.keybase.io/keybase_amd64.deb
 sudo apt install --yes ./keybase_amd64.deb
 rm -f keybase_amd64.deb
 
-# Docker
-# @see https://docs.docker.com/engine/install/ubuntu/
-for pkg in docker.io docker-doc docker-compose podman-docker containerd runc; do sudo apt remove $pkg; done
-curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
-sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu ${VERSION_CODENAME} stable"
-sudo mkdir -p /etc/apt/keyrings
-sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor --yes -o /etc/apt/keyrings/docker.gpg
-sudo chmod a+r /etc/apt/keyrings/docker.gpg
-
-sudo apt update
-sudo apt install --yes apt-transport-https ca-certificates curl software-properties-common
-sudo apt install docker-ce
-
-sudo usermod --append --groups docker "$(whoami)"
-
-# Podman
-sudo mkdir -p /etc/apt/keyrings
-curl -fsSL https://download.opensuse.org/repositories/devel:kubic:libcontainers:unstable/Debian_Testing/Release.key \
-  | gpg --dearmor \
-  | sudo tee /etc/apt/keyrings/devel_kubic_libcontainers_unstable.gpg > /dev/null
-echo \
-  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/devel_kubic_libcontainers_unstable.gpg]\
-    https://download.opensuse.org/repositories/devel:kubic:libcontainers:unstable/Debian_Testing/ /" \
-  | sudo tee /etc/apt/sources.list.d/devel:kubic:libcontainers:unstable.list > /dev/null
-curl -fsSL https://download.opensuse.org/repositories/devel:kubic:libcontainers:unstable/Debian_Unstable/Release.key \
-  | gpg --dearmor \
-  | sudo tee /etc/apt/keyrings/devel_kubic_libcontainers_unstable.gpg > /dev/null
-echo \
-  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/devel_kubic_libcontainers_unstable.gpg]\
-    https://download.opensuse.org/repositories/devel:kubic:libcontainers:unstable/Debian_Unstable/ /" \
-  | sudo tee /etc/apt/sources.list.d/devel:kubic:libcontainers:unstable.list > /dev/null
-sudo apt update
-sudo apt -y upgrade
-sudo apt -y install podman
-# Enable rootls podman socket
-systemctl --user enable --now podman.socket
-
 git submodule init
 git submodule update
 git remote set-url origin git@github.com:soullivaneuh/dotfiles.git
@@ -202,12 +115,4 @@ ln --symbolic --force "${HOME}/p/${GIT_SRC}/contrib/diff-highlight/diff-highligh
 
 sudo chsh -s /bin/zsh $(whoami)
 
-sudo systemctl enable docker.service
-# NTP service for datetime sync.
-sudo systemctl enable systemd-timesyncd.service
-
-# Replace default tderminal
-# @see https://stackoverflow.com/a/16808639
-sudo update-alternatives --set x-terminal-emulator $(which xfce4-terminal).wrapper
-
 echo "Please reboot."