diff --git a/GUIDE.md b/GUIDE.md
new file mode 100644
index 0000000..c3383d4
--- /dev/null
+++ b/GUIDE.md
@@ -0,0 +1,53 @@
+# (MacOS) Install yabai
+
+## Create certificate
+(How to create certificate for yabai)[https://github.com/koekeishiya/yabai/wiki/Installing-yabai-(from-HEAD)]
+
+## Uninstall previous version
+```sh
+brew uninstall koekeishiya/formulae/yabai
+```
+
+## Install HEAD
+```sh
+brew install koekeishiya/formulae/yabai --HEAD
+```
+
+## Sign certification
+```sh
+codesign -fs 'yabai-cert' $(brew --prefix yabai)/bin/yabai
+```
+
+## Enable script addition
+```sh
+echo "$(whoami) ALL=(root) NOPASSWD: sha256:$(shasum -a 256 $(which yabai) | cut -d " " -f 1) $(which yabai) --load-sa" | sudo tee /private/etc/sudoers.d/yabai
+
+```
+
+# (Arch Linux) Set locale
+```bash
+sudo localectl set-locale LANG=en_US.UTF-8
+```
+
+# (Arch Linux) Automatically enable bluetooth connection
+```bash
+# Dependencies: yay -Sy bluez bluez-utils
+sudo systemctl start bluetooth.service
+sudo systemctl enable bluetooth.service
+bluetoothctl
+# [bluetoothctl] power on
+# [bluetoothctl] agent on
+# [bluetoothctl] default-agent
+# [bluetoothctl] scan on
+# [bluetoothctl] devices
+# Look up mac address
+# [bluetoothctl] trust $MAC_ADDRESS
+# [bluetoothctl] pair $MAC_ADDRESS
+# [bluetoothctl] connect $MAC_ADDRESS
+
+sudo nvim /etc/bluetooth/main.conf
+# uncommecnt AutoEnable=true
+```
+
+
+
diff --git a/README.md b/README.md
index 0889023..022cf26 100644
--- a/README.md
+++ b/README.md
@@ -1,62 +1,8 @@
-# dotfiles
 Personal dotfiles managed by [chezmoi](https://github.com/twpayne/chezmoi).
 
-# chezmoi init
-`chezmoi init https://github.com/xvzc/dotfiles`
-
-# install with curl
+# Installation
+## curl
 `curl -fsSL https://dotfiles.xvzc.dev | bash`
 
-# how to install yabai properly
-
-## Create certificate
-(How to create certificate for yabai)[https://github.com/koekeishiya/yabai/wiki/Installing-yabai-(from-HEAD)]
-
-## Uninstall previous version
-```sh
-brew uninstall koekeishiya/formulae/yabai
-```
-
-## Install HEAD
-```sh
-brew install koekeishiya/formulae/yabai --HEAD
-```
-
-## Sign certification
-```sh
-codesign -fs 'yabai-cert' $(brew --prefix yabai)/bin/yabai
-```
-
-## Enable script addition
-```sh
-echo "$(whoami) ALL=(root) NOPASSWD: sha256:$(shasum -a 256 $(which yabai) | cut -d " " -f 1) $(which yabai) --load-sa" | sudo tee /private/etc/sudoers.d/yabai
-```
-
-## Run other tools
-```bash
-brew services start borders
-brew services start sketchybar
-```
-
-# Automatically enable bluetooth connection
-```bash
-# Dependencies: yay -Sy bluez bluez-utils
-sudo systemctl start bluetooth.service
-sudo systemctl enable bluetooth.service
-bluetoothctl
-# [bluetoothctl] power on
-# [bluetoothctl] agent on
-# [bluetoothctl] default-agent
-# [bluetoothctl] scan on
-# [bluetoothctl] devices
-# Look up mac address
-# [bluetoothctl] trust $MAC_ADDRESS
-# [bluetoothctl] pair $MAC_ADDRESS
-# [bluetoothctl] connect $MAC_ADDRESS
-
-sudo nvim /etc/bluetooth/main.conf
-# uncommecnt AutoEnable=true
-```
-
-
-
+## chezmoi init
+`chezmoi init https://github.com/xvzc/dotfiles`
diff --git a/dot_xinitrc b/dot_xinitrc
index 7bc1da4..004e5f3 100644
--- a/dot_xinitrc
+++ b/dot_xinitrc
@@ -18,8 +18,6 @@ xsetroot -cursor_name left_ptr
 
 [[ -f ~/.Xresources ]] && xrdb -merge ~/.Xresources
 
-export LANG=en_US.UTF-8
-
 # export "$(/usr/lib/systemd/user-environment-generators/30-systemd-environment-d-generator)"
 
 exec bspwm