diff --git a/Connect-a-Microcontroller.md b/Connect-a-Microcontroller.md
index 6752d0b..ef46b50 100644
--- a/Connect-a-Microcontroller.md
+++ b/Connect-a-Microcontroller.md
@@ -25,6 +25,11 @@ Since this app supports multiple operating systems, here's a guide on how to con
 
 ## MacOS
 1. head to this link and follow this guide up until the point you get an error in the terminal. https://archive.plugable.com/2011/07/12/installing-a-usb-serial-adapter-on-mac-os-x/
-2. If you get an error type the following command: sudo port install [and here now the name of the package it shows is missing, most likely kextstat]
+2. If you get an error type the following commands after you installed Xcode Developer Tools from the AppStore:
+`xcodebuild -license`
+`xcode-select —install`
+Then you will need to download the MacPorts packagemanager from this github repo following the guide: https://github.com/macports/macports-base/releases/tag/v2.7.2
+Then you can run the following command to install the missing package:
+`sudo port install [and here now the name of the package it shows is missing, most likely kextstat]`
 3. You may now continue with the step of the guide you ran into this problem.
 4. if you still get another error of the same kind, please install that package as well with step 2 and continue with 3. Repeat until you are done or open an issue if you still don‘t manage to do it.
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