diff --git a/downloader.py b/downloader.py
index 236b172..b1be0c1 100644
--- a/downloader.py
+++ b/downloader.py
@@ -29,8 +29,16 @@ class CopernicusDownloader:
         self.download(self.output_file)
         self.apply_setreftime(self.output_file,self.prepared_file)
         self.convert_to_grib2(self.prepared_file,self.output_grib)
+        self.file_remove(self.output_file)
         return self.output_grib
  
+    def file_remove(self,file):
+        if os.path.exists(file):
+            os.remove(file)
+            print(f"✅ File removed : {file}")
+        else:
+            print(f"❌ File {file} does not exist.")
+ 
     def download(self,outfile):
         today = datetime.utcnow()
         start_date = today.strftime("%Y-%m-%dT00:00:00")
diff --git a/iface.py b/iface.py
index b78729f..8249e6e 100644
--- a/iface.py
+++ b/iface.py
@@ -7,6 +7,7 @@ import os
 import platform
 import subprocess
 import configparser
+import webbrowser
 from math import log, tan, radians, pi, degrees, atan, sinh
 
 from downloader import CopernicusDownloader
@@ -16,7 +17,7 @@ CONFIG_FILE = "config.ini"
 class MapSelector:
     def __init__(self, root):
         self.root = root
-        self.root.title("Copernicus Marine Downloader")
+        self.root.title("Surface Current Downloader")
 
         self.config = configparser.ConfigParser()
         self.load_config()
@@ -26,9 +27,11 @@ class MapSelector:
 
         self.frame_download = ttk.Frame(self.notebook)
         self.frame_config = ttk.Frame(self.notebook)
+        self.frame_about = ttk.Frame(self.notebook)
 
-        self.notebook.add(self.frame_download, text="Téléchargement")
+        self.notebook.add(self.frame_download, text="Download Manager")
         self.notebook.add(self.frame_config, text="Configuration")
+        self.notebook.add(self.frame_about, text="About")
 
         self.downloader = CopernicusDownloader(
             username=self.config.get("AUTH", "username", fallback=""),
@@ -108,7 +111,7 @@ class MapSelector:
 
         self.duration_var = tk.StringVar(value="3")
         ttk.Label(params_frame, text="Days").grid(row=0, column=6)
-        ttk.Combobox(params_frame, textvariable=self.duration_var, values=["1", "2", "3", "4", "5", "6", "7", "8", "9", "10"], width=5).grid(row=1, column=6)
+        ttk.Combobox(params_frame, textvariable=self.duration_var, values=["1", "2", "3", "4", "5", "6", "7", "8", "9"], width=5).grid(row=1, column=6)
 
         btn_frame = ttk.Frame(self.frame_download)
         btn_frame.pack(pady=5)
@@ -182,14 +185,21 @@ class MapSelector:
         self.redraw_rectangle_from_coords()
             
 
+    def open_link(self, event=None):
+        webbrowser.open_new("https://data.marine.copernicus.eu/register")
+
     def setup_config_tab(self):
         frame = self.frame_config
 
-        ttk.Label(frame, text="Nom d'utilisateur Copernicus Marine:").pack(pady=5)
+        ttk.Label(frame, text="Use the credential of your account ").pack(pady=5)
+        account_link = tk.Label(frame, text="register on https://data.marine.copernicus.eu/register",fg="blue",cursor="hand2")
+        account_link.pack(pady=5)
+        account_link.bind("<Button-1>", self.open_link)
+        ttk.Label(frame, text="Copernicus Marine 'username'").pack(pady=5)
         self.username_var = tk.StringVar(value=self.config.get("AUTH", "username", fallback=""))
         ttk.Entry(frame, textvariable=self.username_var, width=30).pack()
 
-        ttk.Label(frame, text="Mot de passe:").pack(pady=5)
+        ttk.Label(frame, text="Copernicus Marine 'password'").pack(pady=5)
         self.password_var = tk.StringVar(value=self.config.get("AUTH", "password", fallback=""))
         ttk.Entry(frame, textvariable=self.password_var, show="*", width=30).pack()
 
@@ -309,10 +319,10 @@ class MapSelector:
             lon_max = float(self.lon2_var.get())
             days = int(self.duration_var.get())
         except ValueError:
-            messagebox.showerror("Erreur", "Veuillez entrer des coordonnées et durée valides.")
+            messagebox.showerror("❌ Erreur", "Veuillez entrer des coordonnées et durée valides.")
             return
         self.progress.start(10)
-        self.status.config(text="Téléchargement en cours...")
+        self.status.config(text="✅ Téléchargement en cours...")
         threading.Thread(target=self.download, args=(lat_min, lat_max, lon_min, lon_max, days), daemon=True).start()
 
     def download(self, lat_min, lat_max, lon_min, lon_max, days):
@@ -321,9 +331,9 @@ class MapSelector:
             grib_path = self.downloader.retrieve_grib2(lat_min, lat_max, lon_min, lon_max, days)
             #self.status.config(text="Conversion en GRIB2 en cours...")
             #grib_path = self.downloader.convert_to_grib2()
-            self.status.config(text=f"Téléchargement et conversion terminés : {os.path.basename(grib_path)}")
+            self.status.config(text=f"✅ Téléchargement et conversion terminés : {os.path.basename(grib_path)}")
         except Exception as e:
-            self.status.config(text=f"Erreur : {e}")
+            self.status.config(text=f"❌ Erreur : {e}")
         finally:
             self.progress.stop()