diff --git a/pyproject.toml b/pyproject.toml
index 9da9830..9924490 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,9 @@
 [project]
 name = "update-applications"
-dependencies = []
+dependencies = [
+    "toml~=0.10.2",
+    "rich~=13.7.1",
+]
 dynamic = ["version"]
 authors = []
 description = "If an application like hopscotch is not found in repositories, you can use this to still keep it updated, by either adding a download link for the newest version or a git repository with releases."
diff --git a/update_applications/__main__.py b/update_applications/__main__.py
index 798dffe..d1c975d 100644
--- a/update_applications/__main__.py
+++ b/update_applications/__main__.py
@@ -1,5 +1,23 @@
+import argparse
+import datetime
+import subprocess
+from pathlib import Path
+
 from .__about__ import __version__
+from .utils import (CONFIG_PATH, SETTINGS, SETTINGS_EXISTED, console,
+                    edit_file, load_config, save_config)
+
+
+def configure():
+    save_config()
+    edit_file(CONFIG_PATH)
+    load_config()
 
 
 def cli():
-    print("Hello, world!")
+    parser = argparse.ArgumentParser()
+    parser.add_argument("--config", action=argparse.BooleanOptionalAction, help="Configure the settings")
+    args = parser.parse_args()
+    
+    if not SETTINGS_EXISTED or args.config:
+        configure()
diff --git a/update_applications/utils.py b/update_applications/utils.py
new file mode 100644
index 0000000..68173ef
--- /dev/null
+++ b/update_applications/utils.py
@@ -0,0 +1,62 @@
+import atexit
+import os
+import shutil
+import signal
+import subprocess
+from pathlib import Path
+
+import toml
+from rich.console import Console
+
+from .__about__ import __name__
+
+console: Console = Console()
+
+SETTINGS_EXISTED = False
+CONFIG_PATH = Path.home() / ".config" / __name__ / "config.toml"
+SETTINGS = {
+}
+
+def load_config():
+    global SETTINGS_EXISTED
+
+    if CONFIG_PATH.exists():
+        SETTINGS_EXISTED = True
+        with CONFIG_PATH.open("r", encoding="utf-8") as f:
+            config = toml.load(f)
+            SETTINGS.update(config)
+
+load_config()
+
+def save_config():
+    CONFIG_PATH.parent.mkdir(exist_ok=True, parents=True)
+
+    with CONFIG_PATH.open("w", encoding="utf-8") as f:
+        toml.dump(SETTINGS, f)
+
+
+atexit.register(save_config)
+signal.signal(signal.SIGTERM, save_config)
+signal.signal(signal.SIGINT, save_config)
+
+
+def edit_file(file_name: Path):
+    if hasattr(os, "startfile"):
+        os.startfile(file_name)
+    elif shutil.which("xdg-open"):
+        subprocess.call(["xdg-open", file_name])
+    elif "EDITOR" in os.environ:
+        subprocess.call([os.environ["EDITOR"], file_name])
+
+    # wait till the last changed is different or ctrl+c is pressed
+    console.print("Waiting till either the file is changed, or ctrl+c is pressed")
+    try:
+        last_change = os.path.getmtime(file_name)
+        while True:
+            if os.path.getmtime(file_name) != last_change:
+                break
+
+            time.sleep(0.1)
+    except KeyboardInterrupt:
+        print("No changes were saved")
+