You can use Smart Shooter for a trial period without buying a license. The trial version has the following restrictions:
To lift these restrictions you can buy a license here.
The End User License Agreement (EULA) is included in the software installer package. The EULA document is also available for download here.
The above download is for the Windows 32-bit version of Smart Shooter, which supports Windows XP and later. If you are unsure which one to download, then first try the normal 64-bit version of app, listed at the top of the page.
Previous versions of Smart Shooter can be downloaded from here.