Update README.md

Author: HolgerNahrstaedt

README.md

@@ -14,7 +14,14 @@ Unzip the correct version of the smpt library and copy the lib  into the lib dir
 On Windows, build artifacts from [ScienceMode4_c_library](https://github.com/ScienceMode/ScienceMode4_c_library) can be used.
 
 ## How to build for Windows
-Mingw 5.3 from Qt needs to be installed in `C:\Qt\Tools\mingw530_32`. Visual studio compiler needs also be installed.
+Mingw 5.3 from Qt needs to be installed in `C:\Qt\Tools\mingw530_32`. The [Visual studio compiler](https://visualstudio.microsoft.com/visual-cpp-build-tools/) needs also be installed.
+
+The QT-Binaries can be installed using the [QT Online Installer](https://www.qt.io/download-open-source).
+
+The following should be selected for building the python wheels:
+![image](https://github.com/user-attachments/assets/e5559f5b-6973-4cfe-a690-27af627d5e78)
+
+
 
 ## Install the wheel pacakge
 ```
@@ -35,4 +42,4 @@ You may correct the filename, check that the python version is matching the vers
 E.g. for python 3.9, the following version is valid:
 ```
 pip install dist/sciencemode4_cffi-1.0.0-cp39-cp39-win_amd64.whl
-```
+```