diff --git a/CMakeLists.txt b/CMakeLists.txt
index f42221f..4a66c26 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -54,12 +54,7 @@ elseif (${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU")
     set(LINKER_OPTIMIZED_OPTIONS ${LINKER_OPTIMIZED_OPTIONS} -fdevirtualize-at-ltrans)
 endif ()
 
-add_library(${PROJECT_NAME} SHARED
-        src/window.cpp
-        src/context_window.cpp
-        src/opengl_context.cpp
-        include/opengl_context.hpp
-)
+add_library(${PROJECT_NAME} SHARED src/window.cpp src/context_window.cpp)
 target_precompile_headers(${PROJECT_NAME} PUBLIC include/window.hpp include/basic_data.hpp include/context_window.hpp)
 target_include_directories(${PROJECT_NAME}
         PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
@@ -97,13 +92,7 @@ configure_package_config_file(${CMAKE_CURRENT_SOURCE_DIR}/Config.cmake.in
         INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/windowGlfwGlLibTargets
 )
 
-install(FILES
-        include/window.hpp
-        include/basic_data.hpp
-        include/context_window.hpp
-        include/opengl_context.hpp
-        DESTINATION include/windowGlfwGlLib
-)
+install(FILES include/window.hpp include/basic_data.hpp DESTINATION include/windowGlfwGlLib)
 
 install(FILES
         "${CMAKE_CURRENT_BINARY_DIR}/windowGlfwGlLibTargetsConfig.cmake"
diff --git a/include/opengl_context.hpp b/include/opengl_context.hpp
deleted file mode 100644
index a673fd6..0000000
--- a/include/opengl_context.hpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//
-// Created by postaron on 05/01/2026.
-//
-
-#ifndef WINDOWGLFWGLLIB_OPENGL_CONTEXT_HPP
-#define WINDOWGLFWGLLIB_OPENGL_CONTEXT_HPP
-
-namespace gui {
-    class Window;
-}
-
-namespace opengl {
-    [[nodiscard]] bool init_glew(const gui::Window &win) noexcept;
-}
-
-#endif //WINDOWGLFWGLLIB_OPENGL_CONTEXT_HPP
diff --git a/include/window.hpp b/include/window.hpp
index 5f006a1..c847bd7 100644
--- a/include/window.hpp
+++ b/include/window.hpp
@@ -16,8 +16,6 @@ namespace gui {
     public:
         using modulesType = std::unordered_map<std::string, data::BasicData *>;
         using windowPtr = GLFWwindow *;
-        static constexpr int default_width{ 1280 };
-        static constexpr int default_height{ 720 };
 
     private:
         static void key_callback(GLFWwindow *window, int key, int scancode, int action, int mods);
@@ -34,6 +32,8 @@ namespace gui {
 
         modulesType modules;
 
+        bool valid{ false };
+
         explicit Window(const bool debugOpengl,
                         const GLFWframebuffersizefun framebufferCallback,
                         GLFWwindow *shared,
@@ -76,7 +76,7 @@ namespace gui {
 
     void color_10_bits() noexcept;
 
-    [[nodiscard]] bool check_color_depth(int color_depth) noexcept;
+    bool check_color_depth(int color_depth) noexcept;
 
     void opengl_debug() noexcept;
 }
diff --git a/src/opengl_context.cpp b/src/opengl_context.cpp
deleted file mode 100644
index 043da1b..0000000
--- a/src/opengl_context.cpp
+++ /dev/null
@@ -1,33 +0,0 @@
-//
-// Created by postaron on 05/01/2026.
-//
-
-#include <GL/glew.h>
-
-#if defined( _WIN32 )
-
-#include <GL/wglew.h>
-
-#endif
-
-#include "opengl_context.hpp"
-#include <iostream>
-
-#include "window.hpp"
-
-
-bool opengl::init_glew(const gui::Window &win) noexcept {
-    win.get_context();
-    if (const GLenum error = glewInit(); error != GLEW_OK) {
-        if (const auto error_callback = glfwSetErrorCallback(nullptr); error_callback != nullptr) {
-            error_callback(0, reinterpret_cast<const char *>(glewGetErrorString(error)));
-            glfwSetErrorCallback(error_callback);
-        } else {
-            std::cerr << "Error initializing glew: "
-                    << reinterpret_cast<const char *>(glewGetErrorString(error))
-                    << std::endl;
-        }
-        return false;
-    }
-    return true;
-}
diff --git a/src/window.cpp b/src/window.cpp
index 56eaa5f..acf152f 100644
--- a/src/window.cpp
+++ b/src/window.cpp
@@ -19,10 +19,23 @@ namespace gui {
         glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0);
         glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, debugOpengl ? GLFW_TRUE : GLFW_FALSE);
         wwindow = std::unique_ptr<GLFWwindow, decltype(&glfwDestroyWindow)>(
-            glfwCreateWindow(1280, 720, "Billy Sheet tracker", nullptr, shared),
+            glfwCreateWindow(720, 1280, "Billy Sheet tracker", nullptr, shared),
             glfwDestroyWindow);
-
+        if (!wwindow) {
+            valid = false;
+            return;
+        }
         glfwMakeContextCurrent(wwindow.get());
+        glewExperimental = true;
+        if (const GLenum error = glewInit(); error != GLEW_OK) {
+            valid = false;
+            if (const auto error_callback = glfwSetErrorCallback(nullptr); error_callback != nullptr) {
+                error_callback(0, reinterpret_cast<const char *>(glewGetErrorString(error)));
+                glfwSetErrorCallback(error_callback);
+            }
+            return;
+        }
+        valid = true;
         glfwSetFramebufferSizeCallback(wwindow.get(),
             framebufferCallback != nullptr ? framebufferCallback : internalFramebufferCallback);