diff --git a/Install.sh b/Install.sh
deleted file mode 100755
index e87dcfd..0000000
--- a/Install.sh
+++ /dev/null
@@ -1,19 +0,0 @@
-autocopy() {
-  local file=${1}
-  local target=${2}
-
-  if [ -e "${target}" ]; then
-    echo "${target} alreay exist."
-    echo "Now Backup.."
-    autocopy "${target}" "${target}.bak"
-    echo""
-  fi
-
-  cp -v "${file}" "${target}"
-}
-
-install_lepton() {
-  local userConfig="user.js"
-  autocopy "${userConfig}" "../${userConfig}"
-}
-install_lepton
diff --git a/install.sh b/install.sh
new file mode 100755
index 0000000..64f1219
--- /dev/null
+++ b/install.sh
@@ -0,0 +1,431 @@
+#!/usr/bin/env bash
+
+#** Helper Utils ***************************************************************
+#== PATH / File ================================================================
+currentDir=$( cd "$(dirname $0)" ; pwd )
+
+paths_filter() {
+  local pathListName="$1" # array name
+  local option="$2"
+
+  # Set array
+  eval "local pathList=(\${${pathListName}[@]})"
+
+  # Set default option
+  if [ -z "$option" ]; then
+    option="-e"
+  fi
+
+  # Check path
+  local foundedTargets=()
+  for checkTarget in "${pathList[@]}"; do
+    if [ "$option" "$checkTarget" ]; then
+      foundedTargets+=("$checkTarget")
+    fi
+  done
+
+  # Replace
+  eval "${pathListName}=(\${foundedTargets[@]})"
+}
+
+autocopy() {
+  local file="${1}"
+  local target="${2}"
+
+  if [ "${file}" == "${target}" ]; then
+    echo "'${file}' and ${target} are same file"
+    return 0
+  fi
+
+  if [ -e "${target}" ]; then
+    echo "${target} alreay exist."
+    echo "Now Backup.."
+    autocopy "${target}" "${target}.bak"
+    echo ""
+  fi
+
+  cp -rv "${file}" "${target}"
+}
+
+automv() {
+  local file="${1}"
+  local target="${2}"
+
+  if [ "${file}" == "${target}" ]; then
+    echo "'${file}' and ${target} are same file"
+    return 0
+  fi
+
+  if [ -e "${target}" ]; then
+    echo "${target} alreay exist."
+    echo "Now Backup.."
+    automv "${target}" "${target}.bak"
+    echo ""
+  fi
+
+  mv -v "${file}" "${target}"
+}
+
+autorestore() {
+  local file="${1}"
+  local target="${file}.bak"
+
+  if [ -e "${file}" ]; then
+    rm -rv "${file}"
+  fi
+  mv -v  "${target}" "${file}"
+
+  local lookupTarget="${target}.bak"
+  if [ -e "${lookupTarget}" ]; then
+    autorestore "${target}"
+  fi
+}
+
+#== Message ====================================================================
+lepton_error_message() {
+  >&2 echo "FAILED: ${@}"
+  exit 1
+}
+
+lepton_ok_message() {
+  local SIZE=50
+  local FILLED=""
+  for ((i=0; i<=$(("${SIZE}" - 2)); i++)); do
+    FILLED+="."
+  done
+  FILLED+="OK"
+
+  local message="${@}"
+  echo "${message}${FILLED:${#message}}"
+}
+
+#== Multiselct =================================================================
+# https://stackoverflow.com/questions/45382472/bash-select-multiple-answers-at-once/54261882
+multiselect() {
+  echo 'Select with <space>, Done with <enter>!!!'
+
+  # little helpers for terminal print control and key input
+  ESC=$( printf "\033")
+  cursor_blink_on()   { printf "$ESC[?25h"; }
+  cursor_blink_off()  { printf "$ESC[?25l"; }
+  cursor_to()         { printf "$ESC[$1;${2:-1}H"; }
+  print_inactive()    { printf "$2   $1 "; }
+  print_active()      { printf "$2  $ESC[7m $1 $ESC[27m"; }
+  get_cursor_row()    { IFS=';' read -sdR -p $'\E[6n' ROW COL; echo ${ROW#*[}; }
+  key_input()         {
+    local key
+    IFS= read -rsn1 key 2>/dev/null >&2
+    if [[ $key = ""      ]]; then echo enter; fi;
+    if [[ $key = $'\x20' ]]; then echo space; fi;
+    if [[ $key = $'\x1b' ]]; then
+      read -rsn2 key
+      if [[ $key = [A ]]; then echo up;    fi;
+      if [[ $key = [B ]]; then echo down;  fi;
+    fi
+  }
+  toggle_option()    {
+    local arr_name=$1
+    eval "local arr=(\"\${${arr_name}[@]}\")"
+    local option=$2
+    if [[ ${arr[option]} == true ]]; then
+      arr[option]=
+    else
+      arr[option]=true
+    fi
+    eval $arr_name='("${arr[@]}")'
+  }
+
+  local retval=$1
+  local options
+  local defaults
+
+  IFS=';' read -r -a options <<< "$2"
+  if [[ -z $3 ]]; then
+    defaults=()
+  else
+    IFS=';' read -r -a defaults <<< "$3"
+  fi
+  local selected=()
+
+  for ((i=0; i<${#options[@]}; i++)); do
+    selected+=("${defaults[i]}")
+    printf "\n"
+  done
+
+  # determine current screen position for overwriting the options
+  local lastrow=`get_cursor_row`
+  local startrow=$(($lastrow - ${#options[@]}))
+
+  # ensure cursor and input echoing back on upon a ctrl+c during read -s
+  trap "cursor_blink_on; stty echo; printf '\n'; exit" 2
+  cursor_blink_off
+
+  local active=0
+  while true; do
+    # print options by overwriting the last lines
+    local idx=0
+    for option in "${options[@]}"; do
+      local prefix="[ ]"
+      if [[ ${selected[idx]} == true ]]; then
+        prefix="[x]"
+      fi
+
+      cursor_to $(($startrow + $idx))
+      if [ $idx -eq $active ]; then
+        print_active "$option" "$prefix"
+      else
+        print_inactive "$option" "$prefix"
+      fi
+        ((idx++))
+      done
+
+      # user key control
+      case `key_input` in
+        space)  toggle_option selected $active;;
+        enter)  break;;
+        up)     ((active--));
+                if [ $active -lt 0 ]; then active=$((${#options[@]} - 1)); fi;;
+        down)   ((active++));
+                if [ $active -ge ${#options[@]} ]; then active=0; fi;;
+      esac
+    done
+
+    # cursor position back to normal
+    cursor_to $lastrow
+    printf "\n"
+    cursor_blink_on
+
+    eval $retval='("${selected[@]}")'
+}
+
+#** Profile ********************************************************************
+#== Profile Dir ================================================================
+firefoxProfileDirPaths=(
+  ~/.mozilla/firefox
+  ~/.var/app/org.mozilla.firefox/.mozilla/firefox
+)
+
+check_profile_dir() {
+  local profileDir="$1"
+  if [ "${profileDir}" != "" ]; then
+    firefoxProfileDirPaths=("${profileDir}")
+  fi
+
+  paths_filter firefoxProfileDirPaths -d
+
+  local foundCount="${#firefoxProfileDirPaths[@]}"
+  if [ "${foundCount}" -eq 0 ];  then
+    lepton_error_message "Unable to find firefox profile dir."
+  fi
+
+  lepton_ok_message "Profiles dir found"
+}
+
+#== Profile Info ===============================================================
+PROFILEINFOFILE="profiles.ini"
+check_profile_ini() {
+  local infoFile="profiles.ini"
+
+  for profileDir in "${firefoxProfileDirPaths[@]}"; do
+    if [ ! -f "${profileDir}/${PROFILEINFOFILE}" ]; then
+      lepton_error_message "Unable to find ${PROFILEINFOFILE} at ${profileDir}"
+    fi
+  done
+
+  lepton_ok_message "Profiles info file found"
+}
+
+#== Profile PATH ===============================================================
+firefoxProfilePaths=()
+select_profile() {
+  local profileName="$1"
+
+  for profileDir in "${firefoxProfileDirPaths[@]}"; do
+    local escapeDir=$(echo "${profileDir}" | sed "s|\/|\\\/|g")
+    firefoxProfilePaths+=($(
+      grep -E "^Path" "${profileDir}/${PROFILEINFOFILE}" |
+      cut -f 2 -d"="                                     |
+      sed "s/^/${escapeDir}\//"
+    ))
+  done
+
+  if [ "${profileName}" != "" ]; then
+    local targetPath=""
+    for profilePath in "${firefoxProfilePaths[@]}"; do
+      if [ profilePath == *"${profileName}"* ]; then
+        targetPath="${profilePath}"
+        break
+      fi
+    done
+
+    if [ "${targetPath}" == "" ]; then
+      lepton_ok_message "Profile, \"${profileName}\" found"
+      firefoxProfilePaths=("${targetPath}")
+    else
+      lepton_error_message "Unable to find ${profileName}"
+    fi
+  else
+    local foundCount="${#firefoxProfilePaths[@]}"
+    if [ "${foundCount}" -eq 1 ]; then
+      lepton_ok_message "Auto detected profile"
+    else
+      local targetPaths=()
+      local multiPaths=$(echo "${firefoxProfilePaths[@]}" | sed 's/ /;/g')
+      multiselect profileSelected "${multiPaths}"
+      for ((i=0; i<"${#profileSelected[@]}"; i++)); do
+        local result="${profileSelected[${i}]}"
+        if [ "$result" == "true" ]; then
+          targetPaths+=("${firefoxProfilePaths[${i}]}")
+        fi
+      done
+
+      firefoxProfilePaths=("${targetPaths[@]}")
+      lepton_ok_message "Multi selected profiles"
+    fi
+  fi
+}
+
+#** Install ********************************************************************
+#== Install Types ==============================================================
+leptonBranch="master"
+select_distribution() {
+  select distribution in "Original(default)" "Photon-Style"; do
+    case "${distribution}" in
+      "Original")     leptonBranch="master"       ;;
+      "Photon-Style") leptonBranch="photon-style" ;;
+    esac
+    lepton_ok_message "Selected ${distribution}"
+    break
+  done
+}
+
+leptonInstallType="Network" # Other types: Local, Release
+check_install_type() {
+  local targetListName="${1}"
+  local installType="${2}"
+
+  eval "local targetCount=\${#${targetListName}[@]}"
+  paths_filter "${targetListName}"
+  eval "local foundCount=\${#${targetListName}[@]}"
+
+  if [ "${targetCount}" -eq "${foundCount}" ]; then
+    leptonInstallType="${installType}"
+  fi
+}
+
+checkLocalFiles=(
+  userChrome.css
+  userContent.css
+  icons
+)
+checkReleaseFiles=(
+  user.js
+  chrome/userChrome.css
+  chrome/userContent.css
+  chrome/icons
+)
+check_install_types() {
+  check_install_type checkLocalFiles   "Local"
+  check_install_type checkReleaseFiles "Release"
+
+  lepton_ok_message "Checked install type: ${leptonInstallType}"
+  if [ "${leptonInstallType}" == "Network" ]; then
+    select_distribution
+  fi
+  if [ "${leptonInstallType}" == "Local" ]; then
+    if [ -d ".git" ]; then
+      select_distribution
+      git checkout "${leptonBranch}"
+    fi
+  fi
+}
+
+#== Each Install ===============================================================
+install_local() {
+  for profilePath in "${firefoxProfilePaths}"; do
+    autocopy user.js         "${profilePath}/user.js"
+    autocopy "${currentDir}" "${profilePath}/chrome"
+  done
+  lepton_ok_message "End profile copy"
+}
+
+install_release() {
+  for profilePath in "${firefoxProfilePaths}"; do
+    autocopy user.js "${profilePath}/user.js"
+    autocopy chrome  "${profilePath}/chrome"
+  done
+  lepton_ok_message "End profile copy"
+}
+
+install_network() {
+  local duplicate=""
+  if [ -e "chrome" ]; then
+    duplicate="true"
+    automv chrome chrome.bak
+  fi
+
+  local isProfile=""
+  git clone -b "${}" https://github.com/black7375/Firefox-UI-Fix.git chrome
+  for profilePath in "${firefoxProfilePaths}"; do
+    autocopy chrome/user.js "${profilePath}/user.js"
+    autocopy chrome         "${profilePath}/chrome"
+
+    if [ "${currentDir}" == "${profilePath}" ]; then
+      isProfile="true"
+    fi
+  done
+  lepton_ok_message "End profile copy"
+
+  cd "${currentDir}"
+  if [ ! "${duplicate}" == "true" ]; then
+    rm -rv chrome
+  fi
+  if [ "${duplicate}" == "true" ]; then
+    autorestore chrome
+  fi
+  lepton_ok_message "End clean files"
+}
+
+firefoxProfilePaths=()
+install_profile() {
+  lepton_ok_message "Started install"
+
+  case "${leptonInstallType}" in
+    "Local")   install_local   ;;
+    "Release") install_release ;;
+    "Network") install_network ;;
+  esac
+
+  lepton_ok_message "End install"
+}
+
+#** Main ***********************************************************************
+install_lepton() {
+  local profileDir=""
+  local profileName=""
+
+  # Get options.
+  while getopts 'f:p:g:t:h' flag; do
+    case "${flag}" in
+      f) profileDir="${OPTARG}"  ;;
+      p) profileName="${OPTARG}" ;;
+      h)
+        echo "Lepton Theme Install Script:"
+        echo "  -f <firefox_folder_path>. Set custom Firefox folder path."
+        echo "  -p <profile_name>. Set custom profile name."
+        echo "  -h to show this message."
+        exit 0
+        ;;
+    esac
+  done
+
+  check_install_types
+
+  check_profile_dir "${profileDir}"
+  check_profile_ini
+  select_profile "${profileName}"
+
+  install_profile
+}
+
+install_lepton "$@"