diff --git a/README.md b/README.md
index 091ca10..832c261 100644
--- a/README.md
+++ b/README.md
@@ -293,18 +293,25 @@ Issues or PRs that **don't follow the title format** will be closed without revi
 
 ## Installation
 
-**Requires Python 3.10+**
+### One-liner (recommended)
+
+```bash
+curl -sSL https://raw.githubusercontent.com/Z4nzu/hackingtool/master/install.sh | sudo bash
+```
+
+This handles everything — installs prerequisites, clones the repo, sets up a venv, and creates the `hackingtool` command.
+
+### Manual install
 
 ```bash
 git clone https://github.com/Z4nzu/hackingtool.git
 cd hackingtool
-chmod -R 755 .
-sudo python3 install.py
+sudo python3 install.py   # detects local source, copies instead of re-cloning
 ```
 
 Then run:
 ```bash
-sudo hackingtool
+hackingtool
 ```
 
 ## Docker
diff --git a/README_template.md b/README_template.md
index da1cbde..09bfaf7 100644
--- a/README_template.md
+++ b/README_template.md
@@ -75,18 +75,25 @@ Issues or PRs that don't follow the title format may be closed without review.
 
 ## Installation
 
-**Requires Python 3.10+**
+### One-liner (recommended)
+
+```bash
+curl -sSL https://raw.githubusercontent.com/Z4nzu/hackingtool/master/install.sh | sudo bash
+```
+
+This handles everything — installs prerequisites, clones the repo, sets up a venv, and creates the `hackingtool` command.
+
+### Manual install
 
 ```bash
 git clone https://github.com/Z4nzu/hackingtool.git
 cd hackingtool
-chmod -R 755 .
-sudo python3 install.py
+sudo python3 install.py   # detects local source, copies instead of re-cloning
 ```
 
 Then run:
 ```bash
-sudo hackingtool
+hackingtool
 ```
 
 ## Docker
diff --git a/install.py b/install.py
index 01eb4a0..3aa7a5d 100755
--- a/install.py
+++ b/install.py
@@ -132,6 +132,11 @@ def install_system_packages():
 
 # ── App directory ──────────────────────────────────────────────────────────────
 
+def _is_source_dir() -> bool:
+    """Check if install.py is being run from a local clone (hackingtool.py exists alongside it)."""
+    return (Path(__file__).resolve().parent / "hackingtool.py").exists()
+
+
 def prepare_install_dir():
     if APP_INSTALL_DIR.exists():
         console.print(f"[warning]{APP_INSTALL_DIR} already exists.[/warning]")
@@ -142,9 +147,23 @@ def prepare_install_dir():
     APP_INSTALL_DIR.mkdir(parents=True, exist_ok=True)
 
 
-def git_clone() -> bool:
+def install_source() -> bool:
+    """Clone the repo or copy from local source if already in a clone."""
+    source_dir = Path(__file__).resolve().parent
+
+    if _is_source_dir() and source_dir != APP_INSTALL_DIR:
+        # Already in a local clone — copy instead of re-cloning
+        console.print(f"[dim]Copying source from {source_dir}...[/dim]")
+        # Remove first to ensure clean copy (prepare_install_dir may have created it)
+        if APP_INSTALL_DIR.exists():
+            subprocess.run(["rm", "-rf", str(APP_INSTALL_DIR)], check=True)
+        subprocess.run(["cp", "-a", str(source_dir), str(APP_INSTALL_DIR)], check=True)
+        console.print("[success]✔ Source copied (no re-clone needed)[/success]")
+        return True
+
+    # Not running from source — clone from GitHub
     console.print(f"[dim]Cloning {REPO_URL}...[/dim]")
-    r = subprocess.run(["git", "clone", REPO_URL, str(APP_INSTALL_DIR)], check=False)
+    r = subprocess.run(["git", "clone", "--depth", "1", REPO_URL, str(APP_INSTALL_DIR)], check=False)
     if r.returncode == 0:
         console.print("[success]✔ Repository cloned[/success]")
         return True
@@ -223,7 +242,7 @@ def main():
 
     prepare_install_dir()
 
-    if not git_clone():
+    if not install_source():
         sys.exit(1)
 
     with Progress(SpinnerColumn(), TextColumn("[progress.description]{task.description}")) as p:
diff --git a/install.sh b/install.sh
new file mode 100755
index 0000000..7387c9a
--- /dev/null
+++ b/install.sh
@@ -0,0 +1,153 @@
+#!/usr/bin/env bash
+# ──────────────────────────────────────────────────────────────────────────────
+# HackingTool — One-liner installer
+#
+# Usage:
+#   curl -sSL https://raw.githubusercontent.com/Z4nzu/hackingtool/master/install.sh | sudo bash
+#
+# What it does:
+#   1. Checks prerequisites (Python 3.10+, git, pip, venv)
+#   2. Clones the repository to /usr/share/hackingtool
+#   3. Creates a Python venv and installs requirements
+#   4. Creates a launcher at /usr/bin/hackingtool
+#   5. Creates user directories at ~/.hackingtool/
+# ──────────────────────────────────────────────────────────────────────────────
+set -euo pipefail
+
+REPO_URL="https://github.com/Z4nzu/hackingtool.git"
+INSTALL_DIR="/usr/share/hackingtool"
+BIN_PATH="/usr/bin/hackingtool"
+CONFIG_DIR="${SUDO_USER:+$(eval echo ~"$SUDO_USER")}/.hackingtool"
+# Fallback if not run via sudo
+: "${CONFIG_DIR:=$HOME/.hackingtool}"
+
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+CYAN='\033[0;36m'
+BOLD='\033[1m'
+RESET='\033[0m'
+
+info()  { echo -e "${CYAN}[*]${RESET} $1"; }
+ok()    { echo -e "${GREEN}[✔]${RESET} $1"; }
+warn()  { echo -e "${YELLOW}[!]${RESET} $1"; }
+fail()  { echo -e "${RED}[✘]${RESET} $1"; exit 1; }
+
+# ── Root check ────────────────────────────────────────────────────────────────
+if [ "$(id -u)" -ne 0 ]; then
+    fail "This installer must be run as root.\n    Usage: curl -sSL <url> | ${BOLD}sudo${RESET} bash"
+fi
+
+echo ""
+echo -e "${BOLD}${CYAN}  ⚔  HackingTool Installer${RESET}"
+echo -e "  ─────────────────────────────────────"
+echo ""
+
+# ── Detect package manager ────────────────────────────────────────────────────
+if command -v apt-get &>/dev/null; then
+    PKG_MGR="apt-get"
+    PKG_UPDATE="apt-get update -qq"
+    PKG_INSTALL="apt-get install -y -qq"
+elif command -v pacman &>/dev/null; then
+    PKG_MGR="pacman"
+    PKG_UPDATE="pacman -Sy --noconfirm"
+    PKG_INSTALL="pacman -S --noconfirm --needed"
+elif command -v dnf &>/dev/null; then
+    PKG_MGR="dnf"
+    PKG_UPDATE="true"
+    PKG_INSTALL="dnf install -y -q"
+elif command -v brew &>/dev/null; then
+    PKG_MGR="brew"
+    PKG_UPDATE="true"
+    PKG_INSTALL="brew install"
+else
+    fail "No supported package manager found (need apt-get, pacman, dnf, or brew)."
+fi
+info "Package manager: ${BOLD}$PKG_MGR${RESET}"
+
+# ── Install system prerequisites ──────────────────────────────────────────────
+info "Installing prerequisites..."
+$PKG_UPDATE 2>/dev/null || true
+
+for pkg in git curl python3 python3-pip python3-venv; do
+    if [ "$PKG_MGR" = "pacman" ]; then
+        case "$pkg" in
+            python3)     pkg="python" ;;
+            python3-pip) pkg="python-pip" ;;
+            python3-venv) continue ;;  # included in python on Arch
+        esac
+    elif [ "$PKG_MGR" = "brew" ]; then
+        case "$pkg" in
+            python3-pip|python3-venv) continue ;;  # included in python3 on macOS
+        esac
+    elif [ "$PKG_MGR" = "dnf" ]; then
+        case "$pkg" in
+            python3-venv) continue ;;  # included in python3 on Fedora
+        esac
+    fi
+    $PKG_INSTALL "$pkg" 2>/dev/null || warn "Could not install $pkg — may already be present"
+done
+
+# ── Python version check ─────────────────────────────────────────────────────
+PYTHON_VERSION=$(python3 -c 'import sys; print(f"{sys.version_info.major}.{sys.version_info.minor}")' 2>/dev/null || echo "0.0")
+PYTHON_MAJOR=$(echo "$PYTHON_VERSION" | cut -d. -f1)
+PYTHON_MINOR=$(echo "$PYTHON_VERSION" | cut -d. -f2)
+
+if [ "$PYTHON_MAJOR" -lt 3 ] || { [ "$PYTHON_MAJOR" -eq 3 ] && [ "$PYTHON_MINOR" -lt 10 ]; }; then
+    fail "Python 3.10+ required. Found: Python $PYTHON_VERSION"
+fi
+ok "Python $PYTHON_VERSION"
+
+# ── Clone repository ──────────────────────────────────────────────────────────
+if [ -d "$INSTALL_DIR" ]; then
+    warn "$INSTALL_DIR already exists."
+    read -rp "    Replace it? [y/N] " answer
+    if [[ "$answer" =~ ^[Yy] ]]; then
+        rm -rf "$INSTALL_DIR"
+    else
+        fail "Installation aborted."
+    fi
+fi
+
+info "Cloning repository..."
+git clone --depth 1 "$REPO_URL" "$INSTALL_DIR" 2>/dev/null
+ok "Cloned to $INSTALL_DIR"
+
+# ── Python venv + requirements ────────────────────────────────────────────────
+info "Creating virtual environment..."
+python3 -m venv "$INSTALL_DIR/venv"
+
+info "Installing Python dependencies..."
+"$INSTALL_DIR/venv/bin/pip" install --quiet -r "$INSTALL_DIR/requirements.txt" 2>/dev/null
+ok "Dependencies installed"
+
+# ── Create launcher ──────────────────────────────────────────────────────────
+cat > "$BIN_PATH" << 'LAUNCHER'
+#!/bin/bash
+source "/usr/share/hackingtool/venv/bin/activate"
+python3 "/usr/share/hackingtool/hackingtool.py" "$@"
+LAUNCHER
+chmod 755 "$BIN_PATH"
+ok "Launcher installed at $BIN_PATH"
+
+# ── User directories ─────────────────────────────────────────────────────────
+mkdir -p "$CONFIG_DIR/tools"
+if [ ! -f "$CONFIG_DIR/config.json" ]; then
+    cat > "$CONFIG_DIR/config.json" << CONF
+{
+  "tools_dir": "$CONFIG_DIR/tools",
+  "version": "2.0.0"
+}
+CONF
+fi
+# Fix ownership if run via sudo
+if [ -n "${SUDO_USER:-}" ]; then
+    chown -R "$SUDO_USER:$SUDO_USER" "$CONFIG_DIR"
+fi
+ok "User config: $CONFIG_DIR"
+
+# ── Done ──────────────────────────────────────────────────────────────────────
+echo ""
+echo -e "${GREEN}${BOLD}  ✔  Installation complete!${RESET}"
+echo -e "  Type ${BOLD}${CYAN}hackingtool${RESET} to start."
+echo ""
\ No newline at end of file