diff --git a/README.md b/README.md
index 584a91a..3a38abb 100644
--- a/README.md
+++ b/README.md
@@ -7,3 +7,30 @@ Personal dotfiles managed by [chezmoi](https://github.com/twpayne/chezmoi).
 # install with 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) $(which yabai) --load-sa" | sudo tee /private/etc/sudoers.d/yabai
+```
+
+
+
diff --git a/dot_profile b/dot_profile
index 258324a..4f37bcf 100644
--- a/dot_profile
+++ b/dot_profile
@@ -29,10 +29,10 @@ export PATH="$PATH:~/.spoof-dpi/bin"
 # _is_darwin && \
 #   export SSH_AUTH_SOCK=~/Library/Group\ Containers/2BUA8C4S2C.com.1password/t/agent.sock
 
-# ┌──────────┐ 
-# │ HOMEBREW │ 
-# └──────────┘ 
-_is_darwin && export PATH="/opt/homebrew/bin:$PATH"
+# ┌────────┐ 
+# │ DOCKER │ 
+# └────────┘ 
+export PATH="$PATH:/Applications/Docker.app/Contents/Resources/bin/"
 
 # ┌────┐ 
 # │ GO │ 
diff --git a/dot_wezterm.lua b/dot_wezterm.lua
index aff14e1..891cd29 100644
--- a/dot_wezterm.lua
+++ b/dot_wezterm.lua
@@ -3,6 +3,7 @@ local wezterm = require("wezterm")
 
 local	config = wezterm.config_builder()
 
+config.window_decorations = "RESIZE"
 config.use_fancy_tab_bar = true
 config.hide_tab_bar_if_only_one_tab = true
 config.window_close_confirmation = "NeverPrompt"
diff --git a/dot_zsh/alias.zsh b/dot_zsh/alias.zsh
index 847782f..3e12fd8 100644
--- a/dot_zsh/alias.zsh
+++ b/dot_zsh/alias.zsh
@@ -9,7 +9,7 @@
 # alias sudo='sudo '
 alias vi='nvim'
 
-if [ -x "$(command -v eza)" ]; then
+if [ "$(command -v eza)" ]; then
   alias l="ls"
   alias ls='eza --sort=type'
   alias la='eza -alg --sort=type'
@@ -85,7 +85,7 @@ alias dkc='docker-compose'
 # ┌────────────┐ 
 # │ KUBERNETES │ 
 # └────────────┘ 
-if [ -x "$(command -v kubectl)" ]; then
+if [ "$(command -v kubectl)" ]; then
   alias k='kubectl'
 
   alias kg='kubectl get'
diff --git a/dot_zshenv b/dot_zshenv
index 3f21d3a..cb90edb 100644
--- a/dot_zshenv
+++ b/dot_zshenv
@@ -37,4 +37,5 @@ export EDITOR=nvim
 # PATHS
 export PATH="$HOME/.local/bin:$PATH"
 export PATH="$HOME/.scripts/git:$PATH"
+_is_darwin && export PATH="/opt/homebrew/bin:$PATH"
 
diff --git a/setup/Brewfile b/setup/Brewfile
index 0df6cd6..bc69101 100644
--- a/setup/Brewfile
+++ b/setup/Brewfile
@@ -3,6 +3,8 @@ tap "homebrew/services"
 tap "koekeishiya/formulae"
 tap "homebrew/cask-fonts"
 tap "daipeihust/tap"
+tap "koekeishiya/formulae"
+
 brew "python@3.11"
 brew "go" 
 brew "node@18", link: :force
@@ -31,6 +33,9 @@ brew "ranger"
 brew "ripgrep"
 brew "terraform"
 brew "wakeonlan"
+brew "yabai"
+brew "skhd"
+
 cask "font-jetbrains-mono-nerd-font"
 cask "font-d2coding"
 cask "wezterm"
@@ -40,5 +45,6 @@ cask "google-chrome"
 cask "discord"
 cask "alfred" 
 cask "bettertouchtool" 
+
 mas "KakaoTalk ", id: 869223134
 mas "Gifski ", id: 1351639930