diff --git a/docs/building.md b/docs/building.md
index 2364af98..bf6bc202 100644
--- a/docs/building.md
+++ b/docs/building.md
@@ -18,3 +18,14 @@ To install them you can use `./build.sh` in the project root folder - this scrip
 ### Windows
 
 ### MacOS
+
+1. Before start, download and install Go programming language [here](https://golang.org/doc/install) if needed.
+2. Launch Terminal (Note: Restart any open Terminal console if needed)
+3. Fetch the OpenDiablo2 project with this comand: `go get github.com/OpenDiablo2/OpenDiablo2`
+4. The OpenDiablo2 will be at `~/go/bin/OpenDiablo2` but we still need to download the official Diablo 2 and LoD.
+5. Purchase and download Diablo II (2000) and Diablo II: Lord of Destruction (2001) from Battle.net. The downloaders will be in form of EXE.
+6. Find a Windows PC, or use Virtual Machine (e.g. VirtualBox), or Bootcamp for Mac, or Parallels, to install both games using the downloaders.
+7. Copy the installed games from Windows to macOS's `/Applications/Diablo II/` folder. Requires administrator permission.
+8. Make sure the `/Applications/Diablo II/patch_d2.mpq` is in place.
+9. Run OpenDialo2 by `~/go/bin/OpenDiablo2` in Terminal.
+10. Enjoy.