Thanks a lot to MaXiMiUS,
with his help I could make this file to make it easier for you.
Step 1: Download WPE Pro at

and run it.
*
Step 2: Download the attached file and unzip it.
Step 3: Click on the little folder-icon on the left side in WPE Pro and select the file the .zip contains.
Step 4: Click on "Target Program"
Step 5: Select the Browser you use. if you use Internet Explorer, select IEXPLORE.EXE, if you use Firefox, select firefox.exe and so on.
Step 6: Tick the box in front of "Robokillkiller"
Step 7: Click on the button with the round "on"-icon
Step 8: go to

or whereever you play Robokill and click on "Click here to unlock"
Step 9: Enter "

" as E-Mail and click on unlock
Step 10: Enjoy your purchased Robokill-Version
*And for those, who think it is a virus: If your anti-virus-software doesn't alert you, you should look for another one, because WPE Pro catches packets send by other applications, and thats the behaviour of a sniffer