diff --git a/app/Controllers/Home.php b/app/Controllers/Home.php
index 52c579a..cc706d1 100644
--- a/app/Controllers/Home.php
+++ b/app/Controllers/Home.php
@@ -10,6 +10,13 @@ class Home extends BaseController
     }
 
     public  function promoIndex($promo,$promoOwner=''):string{
+
+        if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
+            echo 'This is a server using Windows!';
+        } else {
+            echo 'This is a server not using Windows!';
+        }
+        
         $in["promo"] = $promo;
         $in["promo_owner"] = $promoOwner;
         $out  = $this->APIcall('POST', $this->wrenchApiServer(). 'start',$in);