diff --git a/README.md b/README.md
index 4bdbbeb10..ab8306427 100644
--- a/README.md
+++ b/README.md
@@ -29,7 +29,7 @@
   <summary>Installation (illogical-impulse Quickshell)</summary>
 
    - Just run `bash <(curl -s https://ii.clsty.link/setup)`
-     - Or, clone this repo and run `./install.sh`
+     - Or, clone this repo and run `./setup install`
      - See [document](https://ii.clsty.link/en/ii-qs/01setup/) for details.
    - **Default keybinds**: Should be somewhat familiar to Windows or GNOME users. Important ones:
      - `Super`+`/` = keybind list
diff --git a/install.sh b/install.sh
index a6650e2f9..c8b7e8118 100755
--- a/install.sh
+++ b/install.sh
@@ -1,48 +1,8 @@
 #!/usr/bin/env bash
+# TODO: Remove this script after 2025.12.01
+STY_RED='\e[31m'
+STY_RST='\e[00m'
+printf "${STY_RED}You are using \"./install.sh\" which is kept for compatibility and will be removed in future.\n"
+printf "Please use \"./setup install\" instead.${STY_RST}\n"
 cd "$(dirname "$0")"
-# Use REPO_ROOT instead of base - when scripts are sourced they do not need export to inherit vars
-REPO_ROOT="$(pwd)"
-source ./sdata/lib/environment-variables.sh
-source ./sdata/lib/functions.sh
-source ./sdata/lib/package-installers.sh
-source ./sdata/lib/options.sh
-
-prevent_sudo_or_root
-set -e
-
-#####################################################################################
-# For subcommands
-case ${SCRIPT_SUBCOMMAND} in
-  exp-uninstall)
-    source ./sdata/step/exp-uninstall.sh
-    exit
-    ;;
-  exp-update)
-    source ./sdata/step/exp-update.sh
-    exit
-    ;;
-esac
-#####################################################################################
-# 0. Before we start
-if [[ "${SKIP_ALLGREETING}" != true ]]; then
-  source ./sdata/step/0.install-greeting.sh
-fi
-#####################################################################################
-if [[ "${SKIP_ALLDEPS}" != true ]]; then
-  printf "${STY_CYAN}[$0]: 1. Install dependencies\n${STY_RST}"
-  source ./sdata/step/1.install-deps-selector.sh
-fi
-#####################################################################################
-if [[ "${SKIP_ALLSETUPS}" != true ]]; then
-  printf "${STY_CYAN}[$0]: 2. Setup for permissions/services etc\n${STY_RST}"
-  source ./sdata/step/2.install-setups-selector.sh
-fi
-#####################################################################################
-if [[ "${SKIP_ALLFILES}" != true ]]; then
-  printf "${STY_CYAN}[$0]: 3. Copying config files\n${STY_RST}"
-  if [[ "${EXPERIMENTAL_FILES_SCRIPT}" == true ]]; then
-    source ./sdata/step/3.install-files.experimental.sh
-  else
-    source ./sdata/step/3.install-files.sh
-  fi
-fi
+./setup install "$@"
diff --git a/sdata/lib/functions.sh b/sdata/lib/functions.sh
index 496397f83..c1aa6504e 100644
--- a/sdata/lib/functions.sh
+++ b/sdata/lib/functions.sh
@@ -287,3 +287,20 @@ function check_disk_space() {
   
   return 0
 }
+
+function showhelp_global(){
+echo -e "
+
+Syntax:
+  $0 <subcommand> [OPTIONS]...
+
+Subcommands:
+      install               Idempotent installation for dotfiles.
+      exp-uninstall         Experimental uninstall
+      exp-update            Experimental update
+      help                  Show this help message
+
+Please run the following for details:
+  $0 <subcommand> -h
+"
+}
diff --git a/sdata/lib/options.sh b/sdata/lib/options.sh
deleted file mode 100644
index cc4fdeddc..000000000
--- a/sdata/lib/options.sh
+++ /dev/null
@@ -1,74 +0,0 @@
-# This is NOT a script for execution, but for loading functions, so NOT need execution permission or shebang.
-# NOTE that you NOT need to `cd ..' because the `$0' is NOT this file, but the script file which will source this file.
-
-# shellcheck shell=bash
-
-showhelp_global(){
-echo -e "Syntax: $0 [subcommand] [options]...
-
-Idempotent installation script for dotfiles.
-If no option nor subcommand is specified, run default install process.
-
-Subcommand:
-      install               The default subcommand which can be omitted.
-Options for install:
-  -h, --help                Print this help message and exit
-  -f, --force               (Dangerous) Force mode without any confirm
-  -c, --clean               Clean the build cache first
-      --skip-allgreeting    Skip the whole process greeting
-      --skip-alldeps        Skip the whole process installing dependency
-      --skip-allsetups      Skip the whole process setting up permissions/services etc
-      --skip-allfiles       Skip the whole process copying configuration files
-  -s, --skip-sysupdate      Skip system package upgrade e.g. \"sudo pacman -Syu\"
-      --skip-hyprland       Skip installing the config for Hyprland
-      --skip-fish           Skip installing the config for Fish
-      --skip-plasmaintg     Skip installing plasma-browser-integration
-      --skip-miscconf       Skip copying the dirs and files to \".configs\" except for
-                            AGS, Fish and Hyprland
-      --exp-files           Use experimental script for the third step copying files
-      --fontset <set>       (Unavailable yet) Use a set of pre-defined font and config
-      --via-nix             (Unavailable yet) Use Nix to install dependencies
-
-Subcommand:
-      exp-uninstall         Using experimental uninstall script.
-
-Subcommand:
-      exp-update            Using experimental update script.
-Options for exp-update:
-  -f, --force               Force check all files even if no new commits (update script)
-  -p, --packages            Enable package checking and building (update script)  
-  -n, --dry-run             Show what would be done without making changes (update script)
-  -v, --verbose             Enable verbose output (update script)
-      --skip-notice         Skip warning notice (for experimental scripts)
-      --non-interactive     Run without prompting for user input
-"
-}
-
-# Handle subcommand
-case $1 in
-  # subcommand specified
-  install|exp-uninstall|exp-update)
-    SCRIPT_SUBCOMMAND=$1
-    shift
-    ;;
-  # Global help
-  help|--help|-h)
-    showhelp_global;exit
-    ;;
-  # no subcommand (has options: -* ; no options: "")
-  -*|"")
-    SCRIPT_SUBCOMMAND=install
-    ;;
-  # wrong subcommand
-  *)echo "Unknown subcommand \"$1\", aborting...";exit 1;;
-esac
-
-# Handle options for subcommand
-case ${SCRIPT_SUBCOMMAND} in
-  install)
-    source ./sdata/lib/options-install.sh
-    ;;
-  exp-update)
-    source ./sdata/lib/options-exp-update.sh
-    ;;
-esac
diff --git a/sdata/lib/options-exp-update.sh b/sdata/options/exp-update.sh
similarity index 76%
rename from sdata/lib/options-exp-update.sh
rename to sdata/options/exp-update.sh
index d815e9172..b28a3dd82 100644
--- a/sdata/lib/options-exp-update.sh
+++ b/sdata/options/exp-update.sh
@@ -2,7 +2,7 @@
 # shellcheck shell=bash
 
 showhelp(){
-echo -e "Usage: install.sh exp-update [OPTIONS]...
+echo -e "Usage: $0 exp-update [OPTIONS]...
 
 Experimental updating without full reinstall.
 Updates dotfiles by syncing configuration files to home directory.
@@ -62,18 +62,24 @@ eval set -- "$para"
 while true ; do
   case "$1" in
     ## Ones without parameter
-    -f|--force) FORCE_CHECK=true;shift;;
-    # log_info "Force check mode enabled - will check all files regardless of git changes"
-    -p|--packages) CHECK_PACKAGES=true;shift;;
-    # log_info "Package checking enabled"
-    -n|--dry-run) DRY_RUN=true;shift;;
-    # log_info "Dry-run mode enabled - no changes will be made"
-    -v|--verbose) VERBOSE=true;shift;;
-    # log_info "Verbose mode enabled"
-    --skip-notice) SKIP_NOTICE=true;shift;;
-    # log_warning "Skipping notice about script being untested"
-    --non-interactive) NON_INTERACTIVE=true;shift;;
-    # log_info "Non-interactive mode enabled"
+    -f|--force) FORCE_CHECK=true;shift
+      log_info "Force check mode enabled - will check all files regardless of git changes"
+      ;;
+    -p|--packages) CHECK_PACKAGES=true;shift
+      log_info "Package checking enabled"
+      ;;
+    -n|--dry-run) DRY_RUN=true;shift
+      log_info "Dry-run mode enabled - no changes will be made"
+      ;;
+    -v|--verbose) VERBOSE=true;shift
+      log_info "Verbose mode enabled"
+      ;;
+    --skip-notice) SKIP_NOTICE=true;shift
+      log_warning "Skipping notice about script being untested"
+      ;;
+    --non-interactive) NON_INTERACTIVE=true;shift
+      log_info "Non-interactive mode enabled"
+      ;;
     
     ## Ending
     --) break ;;
diff --git a/sdata/lib/options-install.sh b/sdata/options/install.sh
similarity index 97%
rename from sdata/lib/options-install.sh
rename to sdata/options/install.sh
index 6d5cab787..0093e106b 100644
--- a/sdata/lib/options-install.sh
+++ b/sdata/options/install.sh
@@ -1,9 +1,9 @@
 # Handle args for subcmd: install
 # shellcheck shell=bash
 showhelp(){
-echo -e "Syntax: $0 [OPTIONS]...
+echo -e "Syntax: $0 install [OPTIONS]...
 
-Idempotent installation script for dotfiles.
+Idempotent installation for dotfiles.
 
 Options for install:
   -h, --help                Print this help message and exit
diff --git a/sdata/step/exp-uninstall.sh b/sdata/step/exp-uninstall.sh
index 44525fd36..17aae32b4 100644
--- a/sdata/step/exp-uninstall.sh
+++ b/sdata/step/exp-uninstall.sh
@@ -5,7 +5,7 @@
 
 printf 'Hi there!\n'
 printf 'This script 1. will uninstall [end-4/dots-hyprland > illogical-impulse] dotfiles\n'
-printf '            2. will try to revert *mostly everything* installed using install.sh, so it'\''s pretty destructive\n'
+printf '            2. will try to revert *mostly everything* installed using "./setup install", so it'\''s pretty destructive\n'
 printf '            3. has not been tested, use at your own risk.\n'
 printf '            4. will show all commands that it runs.\n'
 printf 'Ctrl+C to exit. Enter to continue.\n'
@@ -77,4 +77,4 @@ Ctrl+C to exit, or press Enter to proceed" p
 v yay -Rns illogical-impulse-{audio,backlight,basic,bibata-modern-classic-bin,fonts-themes,hyprland,kde,microtex-git,oneui4-icons-git,portal,python,screencapture,toolkit,widgets} plasma-browser-integration
 
 printf "${STY_CYAN}Uninstall Complete.\n${STY_RST}"
-printf "${STY_CYAN}Hint: If you had agreed to backup when you ran \"install.sh\", you should be able to find it under \"$BACKUP_DIR\".\n${STY_RST}"
+printf "${STY_CYAN}Hint: If you had agreed to backup when you ran \"./setup install\", you should be able to find it under \"$BACKUP_DIR\".\n${STY_RST}"
diff --git a/sdata/step/exp-update-tester.sh b/sdata/step/exp-update-tester.sh
index 6b6dc9e6e..668ca7bb5 100755
--- a/sdata/step/exp-update-tester.sh
+++ b/sdata/step/exp-update-tester.sh
@@ -75,29 +75,11 @@ run_test() {
   fi
 }
 
-# Test 1: Script exists and is executable
-test_script_exists() {
-  log_test "Checking if install.sh exists and is executable"
-
-  if [[ ! -f "install.sh" ]]; then
-    log_fail "install.sh not found"
-    return 1
-  fi
-
-  if [[ ! -x "install.sh" ]]; then
-    log_fail "install.sh is not executable"
-    return 1
-  fi
-
-  log_pass "Script exists and is executable"
-  return 0
-}
-
 # Test 2: Script has no syntax errors
 test_syntax() {
   log_test "Checking script syntax"
 
-  if bash -n install.sh; then
+  if bash -n setup; then
     log_pass "No syntax errors found"
     return 0
   else
@@ -110,7 +92,7 @@ test_syntax() {
 test_help_option() {
   log_test "Testing --help option"
 
-  if ./install.sh exp-update --help 2>&1 | grep -qiE "(Usage|Options|exp-update)"; then
+  if ./setup exp-update --help 2>&1 | grep -qiE "(Usage|Options|exp-update)"; then
     log_pass "Help option works"
     return 0
   else
@@ -411,11 +393,11 @@ test_dry_run() {
 
   cd "$test_repo" || { log_fail "Failed to cd to test directory"; return 1; }
 
-  # Copy necessary files for install.sh to run
-  cp "$ORIGINAL_DIR/install.sh" .
+  # Copy necessary files for setup to run
+  cp "$ORIGINAL_DIR/setup" .
   cp -r "$ORIGINAL_DIR/sdata" .
   cp -r "$ORIGINAL_DIR/dots" .
-  chmod +x install.sh
+  chmod +x setup
 
   # Create a test config file in repo
   mkdir -p dots/.config/test-app
@@ -428,7 +410,7 @@ test_dry_run() {
   rm -rf "${HOME}/.config/test-app" 2>/dev/null || true
 
   # Use non-interactive mode and check for DRY-RUN marker
-  ./install.sh exp-update -n --skip-notice --non-interactive 2>&1 | tee dry_run_output.txt
+  ./setup exp-update -n --skip-notice --non-interactive 2>&1 | tee dry_run_output.txt
 
   if grep -q "DRY-RUN" dry_run_output.txt; then
     log_pass "Dry-run mode detected in output"
@@ -461,7 +443,7 @@ test_flags() {
   local all_passed=true
 
   for flag in "${flags[@]}"; do
-    if ./install.sh exp-update "$flag" 2>&1 | grep -qiE "(Usage|Options|exp-update)"; then
+    if ./setup exp-update "$flag" 2>&1 | grep -qiE "(Usage|Options|exp-update)"; then
       log_test "  ✓ $flag recognized"
     else
       log_test "  ✗ $flag not recognized"
@@ -487,7 +469,7 @@ test_shellcheck() {
     return 0
   fi
   
-  if shellcheck -e SC1090,SC1091,SC2148,SC2034,SC2155,SC2164 install.sh; then
+  if shellcheck -e SC1090,SC1091,SC2148,SC2034,SC2155,SC2164 setup then
     log_pass "shellcheck passed"
     return 0
   else
@@ -507,10 +489,10 @@ test_lock_file() {
   cd "$test_repo" || { log_fail "Failed to cd to test directory"; return 1; }
   
   # Copy necessary files
-  cp "$ORIGINAL_DIR/install.sh" .
+  cp "$ORIGINAL_DIR/setup" .
   cp -r "$ORIGINAL_DIR/sdata" .
   mkdir -p dots/.config
-  chmod +x install.sh
+  chmod +x setup
   
   git add .
   git commit -m "Add files" -q
@@ -519,7 +501,7 @@ test_lock_file() {
   echo "99999" > .update-lock
   
   # Try to run update - should fail due to lock
-  if ./install.sh exp-update --skip-notice --non-interactive > lock_test_output.txt 2>&1; then
+  if ./setup exp-update --skip-notice --non-interactive > lock_test_output.txt 2>&1; then
     if grep -q "stale lock" lock_test_output.txt; then
       log_pass "Lock file mechanism works (detected stale lock)"
       cd "$ORIGINAL_DIR"
@@ -777,16 +759,15 @@ main() {
   echo -e "${BLUE}  Update.sh Test Suite (Enhanced)${NC}"
   echo -e "${BLUE}================================${NC}\n"
 
-  if [[ ! -f "install.sh" ]]; then
-    log_error "Please run this test from the directory containing install.sh"
+  if [[ ! -f "setup" ]]; then
+    log_error "Please run this test from the directory containing setup"
     exit 1
   fi
 
-  chmod +x install.sh 2>/dev/null || true
+  chmod +x setup 2>/dev/null || true
 
   # Define tests
   tests=(
-    "test_script_exists"
     "test_syntax"
     "test_help_option"
     "test_dots_structure"
@@ -844,4 +825,4 @@ trap cleanup EXIT INT TERM
 
 if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
   main "$@"
-fi
\ No newline at end of file
+fi
diff --git a/sdata/step/exp-update.sh b/sdata/step/exp-update.sh
index 9b7aa79ae..7949803cd 100644
--- a/sdata/step/exp-update.sh
+++ b/sdata/step/exp-update.sh
@@ -748,7 +748,7 @@ if [[ "$SKIP_NOTICE" == false ]]; then
   log_warning "THIS SCRIPT IS NOT FULLY TESTED AND MAY CAUSE ISSUES!"
   log_warning "It might be safer if you want to preserve your modifications and not delete added files,"
   log_warning "  but this can cause partial updates and therefore unexpected behavior like in #1856."
-  log_warning "In general, prefer install.sh for updates if available."
+  log_warning "In general, prefer \"./setup install\" for updates if available."
   safe_read "Continue? (y/N): " response "N"
 
   if [[ ! "$response" =~ ^[Yy]$ ]]; then
diff --git a/setup b/setup
new file mode 100755
index 000000000..706850208
--- /dev/null
+++ b/setup
@@ -0,0 +1,55 @@
+#!/usr/bin/env bash
+cd "$(dirname "$0")"
+# Use REPO_ROOT instead of base - when scripts are sourced they do not need export to inherit vars
+REPO_ROOT="$(pwd)"
+source ./sdata/lib/environment-variables.sh
+source ./sdata/lib/functions.sh
+source ./sdata/lib/package-installers.sh
+
+prevent_sudo_or_root
+set -e
+
+#####################################################################################
+case $1 in
+  # Global help
+  ""|help|--help|-h) showhelp_global;exit;;
+  # Correct subcommand
+  install|exp-uninstall|exp-update) SCRIPT_SUBCOMMAND=$1;shift;;
+  # Wrong subcommand
+  *)echo "Unknown subcommand \"$1\", aborting...";exit 1;;
+esac
+#####################################################################################
+case ${SCRIPT_SUBCOMMAND} in
+  exp-uninstall)
+    #source ./sdata/options/exp-install.sh
+    source ./sdata/step/exp-uninstall.sh
+    exit
+    ;;
+  exp-update)
+    source ./sdata/options/exp-update.sh
+    source ./sdata/step/exp-update.sh
+    exit
+    ;;
+  install)
+    source ./sdata/options/install.sh
+    if [[ "${SKIP_ALLGREETING}" != true ]]; then
+      source ./sdata/step/0.install-greeting.sh
+    fi
+    if [[ "${SKIP_ALLDEPS}" != true ]]; then
+      printf "${STY_CYAN}[$0]: 1. Install dependencies\n${STY_RST}"
+      source ./sdata/step/1.install-deps-selector.sh
+    fi
+    if [[ "${SKIP_ALLSETUPS}" != true ]]; then
+      printf "${STY_CYAN}[$0]: 2. Setup for permissions/services etc\n${STY_RST}"
+      source ./sdata/step/2.install-setups-selector.sh
+    fi
+    if [[ "${SKIP_ALLFILES}" != true ]]; then
+      printf "${STY_CYAN}[$0]: 3. Copying config files\n${STY_RST}"
+      if [[ "${EXPERIMENTAL_FILES_SCRIPT}" == true ]]; then
+        source ./sdata/step/3.install-files.experimental.sh
+      else
+        source ./sdata/step/3.install-files.sh
+      fi
+    fi
+    ;;
+esac