diff --git a/src/net/pickhaxe/tools/commands/Setup.hx b/src/net/pickhaxe/tools/commands/Setup.hx
index 88e05fe..611f228 100644
--- a/src/net/pickhaxe/tools/commands/Setup.hx
+++ b/src/net/pickhaxe/tools/commands/Setup.hx
@@ -78,9 +78,18 @@ class Setup implements ICommand
 
   function setupMac():Void
   {
-    // TODO: Implement this.
-    // https://github.com/openfl/lime/blob/develop/tools/utils/PlatformSetup.hx#L824
-    CLI.print('Sorry, this command is not supported on your platform.');
+    var haxePathEnv:String = Sys.getEnv('HAXEPATH') ?? '/usr/local/bin';
+    var haxePath:Path = new Path(haxePathEnv);
+
+    try
+    {
+      var source:Path = IO.libraryDir().joinPaths('templates/bin/${Constants.LIBRARY_ID}.sh');
+      var target:Path = haxePath.joinPaths('${Constants.LIBRARY_ID}');
+
+      IO.copyFileUnix(source, target);
+      IO.updatePermissions(target);
+    }
+    catch (e:Dynamic) {}
   }
 
   function setupLinux():Void
diff --git a/src/net/pickhaxe/tools/util/IO.hx b/src/net/pickhaxe/tools/util/IO.hx
index 25959cb..1a1c2a6 100644
--- a/src/net/pickhaxe/tools/util/IO.hx
+++ b/src/net/pickhaxe/tools/util/IO.hx
@@ -282,6 +282,26 @@ class IO
     sys.io.File.copy(source.toString(), dest.toString());
   }
 
+  /**
+   * Copy a file from one location to another
+   * , requesting administrative access.
+   * @param source The path to the file to copy.
+   * @param dest The path to copy the file to.
+   */
+  public static function copyFileUnix(source:Path, dest:Path):Void
+  {
+    Sys.command("sudo", ["cp", source.toString(), dest.toString()]);
+  }
+
+  /*
+  * Update permissions for file to not require administration access. (Unix only)
+  * @param path The path to the file to update permissions for.
+  */
+  public static function updatePermissions(path:Path):Void
+  {
+    Sys.command("sudo", ["chmod", "+x", path.toString()]);
+  }
+
   /**
    * Clean up a path and convert it to a Path object.
    * @param input The path to clean up.