1) Download the computer installation file (zip file).
2) Extract the file on the computer.
3) Right click on the file setup.exe and choose from the menu 'Run as administrator' (Image 1).
*in case getting popup window
(Windows protected your PC) follow 'image 2' and 'Image 3'
*in case nothing happens follow 'image 4' and 'Image 5'
4) Delete all the files that you extract and downloaded.
5) Create 'Camputer Key' and fill the configuration (see: How to pair the android app with the computer).