Update README.md

README.md

 # ImmersiveAnalytics
 
+## Installation
+
+1.  Install Unreal Engine 4.21, including VS17/C++ integration. (Check if you are able to create a new C++ project in the engine. Then everything is fine.)
+2.  Download the ThirdParty archive from below and extract it so the path looks like .../immersiveanalytics/ThirdParty/HDF_Group/...
+3.  Put the *.h5 or *.h5part files in the folder .../immersiveanalytics/Resources/
+4.  Open ImmersiveAnalytics.uproject
+5.  In the context menu next to the Play-button, press VR Preview
+
 ## External files
 
-The repo does not contain the HDF5 ThirdParty libraries, Python plugin or the data sets.  
+The repo does not contain the HDF5 ThirdParty library or the data sets.  
 You have to download and insert them manually.
 
 ThirdParty  
-https://drive.google.com/open?id=1g0eSQ3G3s_PCaAoc6xMAc489GCI44oOT
-
-Plugins  
-https://drive.google.com/open?id=1FHMNmUsLNIheyd0FP54dlmRXe50K-BqO
-
-Dataset  
-Put it in ProjectDir/Resources/data.h5part
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+https://drive.google.com/open?id=1g0eSQ3G3s_PCaAoc6xMAc489GCI44oOT
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