Build guide

src/Doc/build.md

@@ -1 +1,14 @@
-# Build
+# Build
+
+To build the project and create an executable, you only need the Unity Editor. The only constraint is that the scenes need to be numbered correctly, like in the following image.
+
+<p align="center">
+  <img src="../Img/BuildScenes.png" alt="Scenes">
+</p>
+
+Then, you can build the project by going to `File > Build Settings` and selecting the scenes in the correct order. You can then select the target platform and build the project.
+
+Windows is the only build target that has been tested, but building for other platforms should work as well using the correct [Unity plugins](https://docs.unity3d.com/560/Documentation/Manual/PluginsForDesktop.html).
+
+> [!NOTE]
+> The .exe will not work if not associated with the other files created by Unity.