Activation!!!

Hi everyone! Please help with the problem of activation of this program (windows 7 ultimate 32)! How? Program (DeskSapes3) to buy over the Internet. There is a key sent by e-mail, but how to use it? When you double-click the mouse on the file activate.exe nor what happens - the program does not run the activation! What should I do? I got in touch with tech support, but there is no answer. Can someone solved this problem? While working in test mode.