diff --git a/testSDL/hello.bmp b/testSDL/Lesson1/hello.bmp
similarity index 100%
rename from testSDL/hello.bmp
rename to testSDL/Lesson1/hello.bmp
diff --git a/testSDL/Lesson1/main.cpp b/testSDL/Lesson1/main.cpp
new file mode 100644
index 0000000..4c66581
--- /dev/null
+++ b/testSDL/Lesson1/main.cpp
@@ -0,0 +1,25 @@
+#include <SDL2/SDL.h>
+#include <iostream>
+using namespace std;
+
+int main()
+{
+    if (SDL_Init(SDL_INIT_EVERYTHING) != 0 )
+    {
+        cout << "SDL_Init error\n";
+        return 1;
+    }
+    SDL_Window* window = SDL_CreateWindow("Hello World!", 100, 100, 640, 480, SDL_WINDOW_SHOWN);
+    if (window == nullptr)
+    {
+        cout << "Window create error\n";
+        return 1;
+    }
+    SDL_Renderer* renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED || SDL_RENDERER_PRESENTVSYNC);
+    if (renderer == nullptr)
+    {
+        cout << "Renderer error\n";
+        return 1;
+    }
+    
+}
\ No newline at end of file
diff --git a/testSDL/main.cpp b/testSDL/main.cpp
deleted file mode 100644
index b37c1fe..0000000
--- a/testSDL/main.cpp
+++ /dev/null
@@ -1,40 +0,0 @@
-#include <SDL2/SDL.h>
-
-int main()
-{
-	if (SDL_Init(SDL_INIT_EVERYTHING) != 0){
-		std::cout << "SDL_Init Error: " << SDL_GetError() << std::endl;
-		return 1;
-	}
-	SDL_Window *win = SDL_CreateWindow("Hello World!", 100, 100, 640, 480, SDL_WINDOW_SHOWN);
-	if (win == nullptr){
-		std::cout << "SDL_CreateWindow Error: " << SDL_GetError() << std::endl;
-		return 1;
-	}
-	SDL_Renderer *ren = SDL_CreateRenderer(win, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
-	if (ren == nullptr){
-		std::cout << "SDL_CreateRenderer Error: " << SDL_GetError() << std::endl;
-		return 1;
-	}
-	SDL_Surface *bmp = SDL_LoadBMP("../res/Lesson1/hello.bmp");
-	if (bmp == nullptr){
-		std::cout << "SDL_LoadBMP Error: " << SDL_GetError() << std::endl;
-		return 1;
-	}
-	SDL_Texture *tex = SDL_CreateTextureFromSurface(ren, bmp);
-	SDL_FreeSurface(bmp);
-	if (tex == nullptr){
-		std::cout << "SDL_CreateTextureFromSurface Error: " << SDL_GetError() << std::endl;
-		return 1;
-	}
-	SDL_RenderClear(ren);
-	SDL_RenderCopy(ren, tex, NULL, NULL);
-	SDL_RenderPresent(ren);
-
-	SDL_Delay(2000);
-
-	SDL_DestroyTexture(tex);
-	SDL_DestroyRenderer(ren);
-	SDL_DestroyWindow(win);
-	SDL_Quit();
-}