diff --git a/LICENSE b/LICENSE
index cff7145..73991c1 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2023 Sobhan
+Copyright (c) 2023 Sobhan-SRZA(Mr.SIN RE#1528)
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/README.md b/README.md
index 39652e9..69a75d5 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,11 @@
 # Calculator Application
  A calculator app build with python and using QT library.
+
+# How to use?
+- first of all open `install.cmd` to install all libraries.
+- open cmd from source path then send this `python src/main.py`
+
+Enjoy ❤
+Build with love and hard work
+
+© Sobhan-SRZA
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diff --git a/install.cmd b/install.cmd
new file mode 100644
index 0000000..1b16263
--- /dev/null
+++ b/install.cmd
@@ -0,0 +1,5 @@
+@echo off
+color 0a
+:run
+python -m pip install -r requirements.txt
+goto run
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..9f92236
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1 @@
+PyQt6
\ No newline at end of file
diff --git a/src/main.py b/src/main.py
new file mode 100644
index 0000000..eb52ac1
--- /dev/null
+++ b/src/main.py
@@ -0,0 +1,28 @@
+import sys
+from PyQt6 import QtGui
+from PyQt6.QtGui import QFont
+from PyQt6.QtWidgets import QLabel, QWidget, QVBoxLayout, QApplication
+from PyQt6.QtCore import QTimer, Qt
+
+class Window(QWidget):
+    def __init__(self):
+        super().__init__()
+        layout = QVBoxLayout()
+        self.label = QLabel()
+        self.label.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        self.label.setFont(QFont("calibri", 40, -1, False))
+        layout.addWidget(self.label)
+        self.newLabel = QLabel()
+        self.newLabel.setText("© Sobhan-SRZA")
+        self.newLabel.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        self.newLabel.setFont(QFont("arial", 20, -1, False))
+        layout.addWidget(self.newLabel)
+        self.setWindowTitle("Calculator Application")
+        self.setWindowIcon(QtGui.QIcon('icon.png'))
+        self.setGeometry(100, 100, 800, 400)
+        self.setLayout(layout)
+        
+app = QApplication(sys.argv)
+window = Window()
+window.show()
+app.exec()
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