What is the error message you received?
Or you can try to download and install whitehatbox first,https://www.whitehatbox.com/
If you failed to un zip the file, please download winrar tool to unzip the downloaded file again, it should work.
You can download winrar tool here:
https://www.win-rar.com/download.html?&L=0
If you have downloaded whitehatbox app, please right click whitehatbox.exe , then run it as administrator , then it will be opened.
Then search for and download the software you purchased.