To run it you will need to install Directx 9.0c which I've included in the zip file. Once you install the directx, just run the exe. The BHT file is just a file to log high scores.
Here are some screen shots. As you can see, there are a few different ways to play. To change the view, hit V.
You can find the complete instructions in the menu.
OH, and I found the game to be very addictive, kinda tetris like, so you're officially warned. Don't blame me if you find yourself wasting your time.