Hi Daiber,  
 Unzip the zip file, in a directory other than Program Files (x86), (due to windows 7 copy protections).  Copy the _Voronoi.htm and .js files to your moi3 commands folder.  The path will be similar to C:\Program Files (x86)\MoI 3.0\commands. 
Then, open MoI, and set up a shortcut, under Options / Shortcut keys.  Chose a Key, and enter the command as _Voronoi. 
 
Brian 
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