diff --git a/Debug/Window_practice.exe b/Debug/Window_practice.exe
index 91dcde7..64a5dcf 100644
Binary files a/Debug/Window_practice.exe and b/Debug/Window_practice.exe differ
diff --git a/Debug/Window_practice.pdb b/Debug/Window_practice.pdb
index bbf9506..069b753 100644
Binary files a/Debug/Window_practice.pdb and b/Debug/Window_practice.pdb differ
diff --git a/Window_practice/Debug/Main.obj b/Window_practice/Debug/Main.obj
index 09a1ea4..8e814e9 100644
Binary files a/Window_practice/Debug/Main.obj and b/Window_practice/Debug/Main.obj differ
diff --git a/Window_practice/Debug/Window_practice.ilk b/Window_practice/Debug/Window_practice.ilk
index ac7fb3a..af40635 100644
Binary files a/Window_practice/Debug/Window_practice.ilk and b/Window_practice/Debug/Window_practice.ilk differ
diff --git a/Window_practice/Debug/Window_practice.tlog/link.read.1.tlog b/Window_practice/Debug/Window_practice.tlog/link.read.1.tlog
index d98202f..6a526e9 100644
Binary files a/Window_practice/Debug/Window_practice.tlog/link.read.1.tlog and b/Window_practice/Debug/Window_practice.tlog/link.read.1.tlog differ
diff --git a/Window_practice/Debug/vc142.idb b/Window_practice/Debug/vc142.idb
index 5849648..bb3b281 100644
Binary files a/Window_practice/Debug/vc142.idb and b/Window_practice/Debug/vc142.idb differ
diff --git a/Window_practice/Debug/vc142.pdb b/Window_practice/Debug/vc142.pdb
index 2ea345a..8f50eb9 100644
Binary files a/Window_practice/Debug/vc142.pdb and b/Window_practice/Debug/vc142.pdb differ
diff --git a/Window_practice/src/Main.cpp b/Window_practice/src/Main.cpp
index f18ff2f..9cd0966 100644
--- a/Window_practice/src/Main.cpp
+++ b/Window_practice/src/Main.cpp
@@ -9,10 +9,9 @@ int main(void){
         return -1;
     }    
 
-    //Main window
+    //Main window creation
     GLFWwindow* window;
 
-    //Window creation
     window = glfwCreateWindow(640, 480, "OpenGl practice", NULL, NULL);
     if (!window){
         std::cout << "Window could not be created!" << std::endl;
@@ -43,6 +42,11 @@ int main(void){
     glBindBuffer(GL_ARRAY_BUFFER, buffer); //binding the buffer
     glBufferData(GL_ARRAY_BUFFER, 6 * sizeof(float), positions, GL_STATIC_DRAW);
 
+    glEnableVertexAttribArray(0);
+    glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, sizeof(float) * 2, 0);
+
+    glBindBuffer(GL_ARRAY_BUFFER, 0); //unbinding the buffer
+
    //Main loop
     while (!glfwWindowShouldClose(window)){
         /* Render here */