Update README.md

README.md

 # FanFEI_Jeu
 
+**Instructions for use**
+    Log in to the website [raylib](https://www.raylib.com/), 
+    click on Donwload Now, 
+    install the software Notepad++ for raylib, 
+    put the files in the same directory and open snake_FanFEI.c in Notepad++,
+    press f6 of open the snake_FanFEI.exe.
+
 **Expand on the basis of official raylib samples**
     [snake.c](https://github.com/raysan5/raylib-games/blob/master/classics/snake.c)
     
     
 **The new game has the following features：**
-    1: The snake has its own beautiful three-color skin.
-    2: The boundaries of the game are no longer regarded as walls,
-       and snakes can cross the four boundaries.
-    3: The game has background music.
-    4: The game time and score will be displayed in the upper right corner of the game interface.
-    5: Reward score.
+1.  The snake has its own beautiful three-color skin.
+2.  The boundaries of the game are no longer regarded as walls, and snakes can cross the four boundaries.
+3.  The game has background music.
+4.  The game time and score will be displayed in the upper right corner of the game interface.
+5.  Reward score.
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