diff --git a/cobot/cli.py b/cobot/cli.py
index 961f947..2e3d383 100644
--- a/cobot/cli.py
+++ b/cobot/cli.py
@@ -1,11 +1,13 @@
 import argparse
 import sys
 
+from cobot.commands import delete as cmd_delete
 from cobot.commands import docker_setup as cmd_docker_setup
 from cobot.commands import doc_setup as cmd_doc_setup
 from cobot.commands import local_setup as cmd_local_setup
 from cobot.commands import robot_setup as cmd_robot_setup
 from cobot.commands import setup as cmd_setup
+from cobot.commands import update as cmd_update
 
 # Command groups shown in --help output.
 # Add new commands here when introducing other categories.
@@ -17,6 +19,10 @@ _GROUPS = [
         ("doc-setup",    "deploy or stop the MkDocs documentation server"),
         ("robot-setup",  "configure cobot-setting.yaml interactively"),
     ]),
+    ("Management", [
+        ("update", "pull latest changes from the remote git branch and reinstall cobot"),
+        ("delete", "remove the project, Docker images, containers, and optionally ROS2"),
+    ]),
 ]
 
 _DESCRIPTION = "Lightweight Cobot"
@@ -74,3 +80,5 @@ def _register_commands(subparsers):
     cmd_docker_setup.register(subparsers)
     cmd_doc_setup.register(subparsers)
     cmd_robot_setup.register(subparsers)
+    cmd_update.register(subparsers)
+    cmd_delete.register(subparsers)
diff --git a/cobot/commands/delete.py b/cobot/commands/delete.py
new file mode 100644
index 0000000..42e380f
--- /dev/null
+++ b/cobot/commands/delete.py
@@ -0,0 +1,160 @@
+from __future__ import annotations
+
+import argparse
+import os
+import shutil
+import subprocess
+from pathlib import Path
+from typing import Optional
+
+from textual.app import App
+
+from cobot.tui import SCREEN_CSS, LogScreen, PickScreen
+
+_PROJECT_DIR = Path(__file__).parent.parent.parent
+
+
+def _stop_docker_containers(write) -> None:
+    write("[cyan][*][/cyan] Stopping Docker containers...")
+    result = subprocess.run(
+        ["docker", "ps", "-a", "--filter", "name=lwc", "--format", "{{.Names}}"],
+        capture_output=True, text=True,
+    )
+    containers = [c for c in result.stdout.strip().splitlines() if c]
+    if not containers:
+        write("[dim]No project containers found.[/dim]")
+        return
+    for name in containers:
+        subprocess.run(["docker", "rm", "-f", name], capture_output=True)
+        write(f"[green][ok][/green] Removed container: {name}")
+
+
+def _remove_docker_images(write) -> None:
+    write("[cyan][*][/cyan] Removing Docker images...")
+    result = subprocess.run(
+        ["docker", "images", "--format", "{{.Repository}}:{{.Tag}}"],
+        capture_output=True, text=True,
+    )
+    project_images = [
+        img for img in result.stdout.strip().splitlines()
+        if "lwc" in img.lower()
+    ]
+    if not project_images:
+        write("[dim]No project images found.[/dim]")
+        return
+    for img in project_images:
+        subprocess.run(["docker", "rmi", "-f", img], capture_output=True)
+        write(f"[green][ok][/green] Removed image: {img}")
+
+
+def _remove_ros2(write) -> None:
+    write("[cyan][*][/cyan] Removing ROS2 Jazzy...")
+    if Path("/opt/ros/jazzy").exists():
+        subprocess.run(["sudo", "rm", "-rf", "/opt/ros/jazzy"])
+        write("[green][ok][/green] Removed /opt/ros/jazzy")
+    else:
+        write("[dim]ROS2 Jazzy not found, skipping.[/dim]")
+
+    source_line = "source /opt/ros/jazzy/setup.bash"
+    for rc_name in [".bashrc", ".zshrc"]:
+        rc = Path.home() / rc_name
+        if not rc.exists():
+            continue
+        content = rc.read_text()
+        if source_line not in content:
+            continue
+        new_content = content.replace(f"\n# ROS2 Jazzy\n{source_line}\n", "\n")
+        new_content = new_content.replace(source_line, "")
+        rc.write_text(new_content)
+        write(f"[green][ok][/green] Cleaned up ~/{rc_name}")
+
+
+def _uninstall_cobot(write) -> None:
+    write("[cyan][*][/cyan] Uninstalling cobot CLI...")
+    result = subprocess.run(
+        ["uv", "tool", "uninstall", "lightweight-cobot"],
+        capture_output=True, text=True,
+    )
+    if result.returncode == 0:
+        write("[green][ok][/green] cobot uninstalled")
+    else:
+        write(f"[yellow]Warning:[/yellow] {result.stderr.strip() or 'could not uninstall cobot'}")
+
+
+def _remove_project_dir(write) -> None:
+    write(f"[cyan][*][/cyan] Removing project directory...")
+    try:
+        shutil.rmtree(_PROJECT_DIR)
+        write(f"[green][ok][/green] Removed {_PROJECT_DIR}")
+    except Exception as exc:
+        write(f"[red]Failed:[/red] {exc}")
+        raise
+
+
+
+def _task_delete(screen: LogScreen, remove_ros: bool) -> None:
+    try:
+        _stop_docker_containers(screen.write)
+        _remove_docker_images(screen.write)
+
+        if remove_ros:
+            _remove_ros2(screen.write)
+
+        _uninstall_cobot(screen.write)
+        _remove_project_dir(screen.write)
+
+        screen.write("\n[green]Project fully removed.[/green]")
+        screen.finish(True)
+
+    except Exception as exc:
+        screen.write(f"\n[red]Error:[/red] {exc}")
+        screen.finish(False)
+
+
+
+class _DeleteApp(App[None]):
+    CSS = SCREEN_CSS
+
+    def on_mount(self) -> None:
+        self.push_screen(
+            PickScreen(
+                "Confirm deletion",
+                "This will permanently delete the project, Docker images and containers. Are you sure?",
+                ["No, cancel", "Yes, delete everything"],
+                "No, cancel",
+            ),
+            self._on_confirm,
+        )
+
+    def _on_confirm(self, choice: Optional[str]) -> None:
+        if choice is None or choice.startswith("No"):
+            self.exit()
+            return
+        self.push_screen(
+            PickScreen(
+                "ROS2 Jazzy",
+                "Also remove ROS2 Jazzy (/opt/ros/jazzy)?",
+                ["No, keep ROS2", "Yes, remove ROS2 Jazzy"],
+                "No, keep ROS2",
+            ),
+            self._on_ros_choice,
+        )
+
+    def _on_ros_choice(self, choice: Optional[str]) -> None:
+        remove_ros = choice is not None and choice.startswith("Yes")
+        self.push_screen(
+            LogScreen("Deleting project", lambda s: _task_delete(s, remove_ros)),
+            lambda _: self.exit(),
+        )
+
+
+def register(subparsers: argparse._SubParsersAction) -> None:
+    p = subparsers.add_parser(
+        "delete",
+        help="Remove the project, Docker images, containers, and optionally ROS2",
+    )
+    p.set_defaults(func=run)
+
+
+def run(args: argparse.Namespace) -> None:
+    _DeleteApp().run()
diff --git a/cobot/commands/update.py b/cobot/commands/update.py
new file mode 100644
index 0000000..cecc728
--- /dev/null
+++ b/cobot/commands/update.py
@@ -0,0 +1,106 @@
+from __future__ import annotations
+
+import argparse
+import subprocess
+from pathlib import Path
+
+from textual.app import App
+
+from cobot.tui import SCREEN_CSS, LogScreen
+
+_PROJECT_DIR = Path(__file__).parent.parent.parent
+
+
+def _task_update(screen: LogScreen) -> None:
+    try:
+        # Current branch
+        branch = subprocess.check_output(
+            ["git", "rev-parse", "--abbrev-ref", "HEAD"],
+            cwd=_PROJECT_DIR, text=True,
+        ).strip()
+        screen.write(f"[cyan][*][/cyan] Branch: [bold]{branch}[/bold]")
+
+        # Fetch
+        screen.write("[cyan][*][/cyan] Fetching from remote...")
+        fetch = subprocess.run(
+            ["git", "fetch", "origin"],
+            cwd=_PROJECT_DIR, capture_output=True, text=True,
+        )
+        if fetch.returncode != 0:
+            screen.write(f"[red]Fetch failed:[/red] {fetch.stderr.strip()}")
+            screen.finish(False)
+            return
+
+        # Check how many commits behind
+        behind = subprocess.check_output(
+            ["git", "rev-list", f"HEAD..origin/{branch}", "--count"],
+            cwd=_PROJECT_DIR, text=True,
+        ).strip()
+
+        if behind == "0":
+            screen.write("[green][ok][/green] Already up to date.")
+            screen.finish(True)
+            return
+
+        # Show incoming commits
+        screen.write(f"\n[bold]{behind} new commit(s):[/bold]")
+        log_lines = subprocess.check_output(
+            ["git", "log", f"HEAD..origin/{branch}", "--oneline"],
+            cwd=_PROJECT_DIR, text=True,
+        ).strip().splitlines()
+        for line in log_lines:
+            screen.write(f"  [dim]{line}[/dim]")
+
+        # Pull
+        screen.write("\n[cyan][*][/cyan] Pulling changes...")
+        proc = subprocess.Popen(
+            ["git", "pull", "origin", branch],
+            stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
+            text=True, cwd=_PROJECT_DIR,
+        )
+        for line in proc.stdout:
+            s = line.rstrip()
+            if s:
+                screen.write(s)
+        proc.wait()
+        if proc.returncode != 0:
+            screen.write("[red]Pull failed.[/red]")
+            screen.finish(False)
+            return
+
+        # Reinstall in case dependencies changed
+        screen.write("\n[cyan][*][/cyan] Reinstalling cobot CLI...")
+        reinstall = subprocess.run(
+            ["uv", "tool", "install", "--editable", str(_PROJECT_DIR)],
+            capture_output=True, text=True,
+        )
+        if reinstall.returncode == 0:
+            screen.write("[green][ok][/green] cobot reinstalled")
+        else:
+            screen.write(f"[yellow]Warning:[/yellow] reinstall failed — {reinstall.stderr.strip()}")
+
+        screen.write("\n[green]Project updated successfully.[/green]")
+        screen.finish(True)
+
+    except Exception as exc:
+        screen.write(f"\n[red]Error:[/red] {exc}")
+        screen.finish(False)
+
+
+class _UpdateApp(App[None]):
+    CSS = SCREEN_CSS
+
+    def on_mount(self) -> None:
+        self.push_screen(
+            LogScreen("Updating project", _task_update),
+            lambda _: self.exit(),
+        )
+
+
+def register(subparsers: argparse._SubParsersAction) -> None:
+    p = subparsers.add_parser("update", help="Pull latest changes from the remote git branch")
+    p.set_defaults(func=run)
+
+
+def run(args: argparse.Namespace) -> None:
+    _UpdateApp().run()
diff --git a/install.sh b/install.sh
index bcaeda7..f4b82c2 100644
--- a/install.sh
+++ b/install.sh
@@ -41,7 +41,6 @@ print_banner() {
     echo -e "${BOLD}"
     echo "┌─────────────────────────────────────────────────────────┐"
     echo "│               Lightweight Cobot installer               │"
-    echo "│             KUKA iiwa7 ROS2 Control Framework           │"
     echo "└─────────────────────────────────────────────────────────┘"
     echo -e "${NC}"
 }
@@ -171,19 +170,34 @@ check_python() {
 resolve_install_dir() {
     local script_dir
     script_dir="$(cd "$(dirname "${BASH_SOURCE[0]:-$0}")" 2>/dev/null && pwd || pwd)"
-    # Если рядом со скриптом есть setup.py — значит мы уже внутри репозитория
-    if [ -f "$script_dir/setup.py" ]; then
+
+    # Running directly from inside the cloned repo (not via curl|bash)
+    if [ -f "$script_dir/setup.py" ] && [ -d "$script_dir/.git" ]; then
         INSTALL_DIR="$script_dir"
-        log_info "Repo: $INSTALL_DIR"
-    else
-        # Иначе клонируем в ~/.lwc/ros2_iiwa7
-        log_info "Cloning repo..."
-        mkdir -p "$(dirname "$INSTALL_DIR")"
-        # TODO: Убрать ветку dev и юзать main после мержа
-        run_quiet git clone --branch dev "$REPO_URL" "$INSTALL_DIR" \
-            || log_error "Failed to clone repo"
-        log_success "Repo cloned to $INSTALL_DIR"
+        log_info "Using existing repo: $INSTALL_DIR"
+        return
     fi
+
+    # Repo already cloned — pull instead of re-clone
+    if [ -d "$INSTALL_DIR/.git" ]; then
+        log_info "Repo already exists at $INSTALL_DIR — pulling latest..."
+        git -C "$INSTALL_DIR" pull --ff-only origin dev \
+            && log_success "Repo updated" \
+            || log_warn "Could not pull latest — using existing version"
+        return
+    fi
+
+    # Directory exists but is not a git repo (broken/partial) — remove it
+    if [ -d "$INSTALL_DIR" ]; then
+        log_warn "Removing incomplete directory $INSTALL_DIR..."
+        rm -rf "$INSTALL_DIR"
+    fi
+
+    log_info "Cloning repo into $INSTALL_DIR..."
+    mkdir -p "$(dirname "$INSTALL_DIR")"
+    git clone --branch dev "$REPO_URL" "$INSTALL_DIR" \
+        || log_error "Failed to clone repo from $REPO_URL"
+    log_success "Repo cloned to $INSTALL_DIR"
 }
 
 install_cobot() {
@@ -215,10 +229,12 @@ setup_path() {
 
 print_success() {
     echo ""
-    echo -e "${GREEN}${BOLD}Done!${NC}"
+    echo -e "${GREEN}${BOLD}Installation complete!${NC}"
     echo ""
-    echo "  cobot setup    - first-time setup"
-    echo "  cobot --help   - list all commands"
+    echo "  Next steps:"
+    echo ""
+    echo -e "  ${CYAN}cobot setup${NC}         — install ROS2, build the project and configure the robot"
+    echo -e "  ${CYAN}cobot --help${NC}        — show all available commands"
     echo ""
 }