diff --git a/minecraft-backup.py b/minecraft-backup.py
index d0bff40..1d37c64 100644
--- a/minecraft-backup.py
+++ b/minecraft-backup.py
@@ -1,5 +1,5 @@
 #-*- conding: utf-8 -*-
-#This file is part of Minecraft Backup
+# This file is part of Minecraft Backup
 
 import minecraft_backup
 
diff --git a/minecraft_backup/core/configuration.py b/minecraft_backup/core/configuration.py
index 87508db..7af72a7 100644
--- a/minecraft_backup/core/configuration.py
+++ b/minecraft_backup/core/configuration.py
@@ -1,19 +1,19 @@
 #*-* coding: utf-8 *-*
 # This file is part of Minecraft Backup
 
-# Minecraft Backup Imports
+# Minecraft Backup
 from minecraft_backup.resources import D_TEMPLATE_CONFIG_JSON
 from minecraft_backup.resources import CONFIG_FOLDER
 
-# Others imports
+# platform
 from platform import system
 
-# Import os
+# os
 from os import path
 from os import mkdir
 from os import chdir
 
-# Import json
+# json
 from json import dumps
 from json import loads
 
diff --git a/minecraft_backup/core/make_backup.py b/minecraft_backup/core/make_backup.py
new file mode 100644
index 0000000..c635196
--- /dev/null
+++ b/minecraft_backup/core/make_backup.py
@@ -0,0 +1,36 @@
+# -*- coding: utf-8 *-*
+# This file is part of Minecraft Backup
+
+# Minecraft Backup
+from minecraft_backup.resources import GAME_PATH
+from minecraft_backup.core.configuration import get_os
+
+# OS
+from os import listdir
+from os import mkdir
+from os import path
+
+# Shutil
+from shutil import copytree
+from shutil import copy2
+from shutil import copystat
+
+
+def make_backup(dst):
+    """This function make a Minecraft backup"""
+
+    os = get_os()
+
+    names = listdir(GAME_PATH[os])
+    mkdir(dst)
+
+    for name in names:
+        src_name = path.join(GAME_PATH[os], name)
+        dst_name = path.join(dst, name)
+
+        if path.isdir(src_name):
+            copytree(src_name, dst_name)
+        else:
+            copy2(src_name, dst_name)
+
+        copystat(GAME_PATH[os], dst)
diff --git a/minecraft_backup/gui/__init__.py b/minecraft_backup/gui/__init__.py
index 7c88588..529039e 100644
--- a/minecraft_backup/gui/__init__.py
+++ b/minecraft_backup/gui/__init__.py
@@ -1,3 +1,2 @@
 #-*- coding: utf-8 -*-
-
 # This file is part of Minecraft backup
diff --git a/minecraft_backup/gui/center_widget.py b/minecraft_backup/gui/center_widget.py
index 3636b33..e0ae7d2 100644
--- a/minecraft_backup/gui/center_widget.py
+++ b/minecraft_backup/gui/center_widget.py
@@ -1,6 +1,7 @@
 # -*- coding: utf-8 *-*
 # This fail is part of Minecraft Backup
 
+# PyQt4.QtGui
 from PyQt4.QtGui import QDesktopWidget
 
 
diff --git a/minecraft_backup/gui/dialogs/config_window.py b/minecraft_backup/gui/dialogs/config_window.py
index cf2a20b..1ccadf4 100644
--- a/minecraft_backup/gui/dialogs/config_window.py
+++ b/minecraft_backup/gui/dialogs/config_window.py
@@ -1,12 +1,12 @@
 # -*- coding: utf-8 *-*
 # This file is part of Minecraft Backup
 
-# Minecraft Backu Imports
+# Minecraft Backu
 from minecraft_backup.core.configuration import load_config
 from minecraft_backup.core.configuration import save_new_config
 from minecraft_backup.gui.center_widget import center_widget
 
-# PyQt4.QtGui Imports
+# PyQt4.QtGui
 from PyQt4.QtGui import QDialog
 from PyQt4.QtGui import QLabel
 from PyQt4.QtGui import QLineEdit
@@ -70,7 +70,7 @@ def change_save_folder(self):
             self.input_save_folder.setText(self.file_dialog)
 
     def save_configurations(self):
-        self.backup_folder = str(self.input_save_folder.text())
+        self.backup_folder = str(self.input_save_folder.text().toUtf8())
 
         save_new_config(self.backup_folder)
         self.close()
diff --git a/minecraft_backup/gui/dialogs/new_backup_window.py b/minecraft_backup/gui/dialogs/new_backup_window.py
index 00f1733..9a74c3f 100644
--- a/minecraft_backup/gui/dialogs/new_backup_window.py
+++ b/minecraft_backup/gui/dialogs/new_backup_window.py
@@ -1,21 +1,25 @@
 # -*- coding: utf-8 *-*
 # This file is part of Minecraft Backup
 
-# Minecraft Backup imports
+# Minecraft Backup
 from minecraft_backup.core.configuration import load_config
 from minecraft_backup.gui.center_widget import center_widget
+from minecraft_backup.core.make_backup import make_backup
 
-# PyQt4.QtGui imports
+# PyQt4.QtGui
 from PyQt4.QtGui import QDialog
 from PyQt4.QtGui import QLabel
 from PyQt4.QtGui import QLineEdit
 from PyQt4.QtGui import QPushButton
 from PyQt4.QtGui import QFileDialog
 
-# PyQt4.QtCore imports
+# PyQt4.QtCore
 from PyQt4.QtCore import QRect
 from PyQt4.QtCore import SIGNAL
 
+# os
+from os import path
+
 
 class new_backup_window(QDialog):
 
@@ -54,6 +58,8 @@ def __init__(self, parent=None):
         self.connect(self.btn_change_save_backup, SIGNAL('clicked()'),
                      self.change_save_backup)
         self.connect(self.btn_cancel, SIGNAL('clicked()'), self.close)
+        self.connect(self.btn_create_backup, SIGNAL('clicked()'),
+                     self.create_backup)
 
     def generate_label(self, text, h, v):
         self.label = QLabel(self)
@@ -68,3 +74,10 @@ def change_save_backup(self):
 
         if self.file_dialog != '':
             self.btn_change_save_backup.setText(self.file_dialog)
+
+    def create_backup(self):
+        self.dst = path.join(str(self.btn_change_save_backup.text().toUtf8()),
+                             str(self.input_backup_name.text().toUtf8()))
+        make_backup(self.dst)
+
+        self.close()
diff --git a/minecraft_backup/gui/main.py b/minecraft_backup/gui/main.py
index 94a5355..d968a81 100644
--- a/minecraft_backup/gui/main.py
+++ b/minecraft_backup/gui/main.py
@@ -1,10 +1,10 @@
 # -*- coding: utf-8 *-*
 # This file is part of Minecraft backup
 
-# Others imports
+# sys
 import sys
 
-# Minecraft Backup imports
+# Minecraft Backup
 from minecraft_backup.resources import IMAGES
 from minecraft_backup.core import configuration
 from minecraft_backup.gui.center_widget import center_widget
diff --git a/minecraft_backup/resources.py b/minecraft_backup/resources.py
index c5b16d6..3711ad0 100644
--- a/minecraft_backup/resources.py
+++ b/minecraft_backup/resources.py
@@ -2,7 +2,7 @@
 # This file is part of Minecraft Backup
 
 
-# Others imports
+# os
 from os import path