Yes, the application is compatible with Windows 10. In fact, here are the system requirements available for this software:
Windows XP with Service Pack 3 and .NET framework 4.0
Pentium III processor or equivalent
1GB RAM
500MB hard drive
1024x768 minimum graphics resolution
Windows 7, 8, 10, or later (64- or 32-bit)
1GHz dual-core processor or faster
4GB RAM
120GB hard drive or larger
1920x1080 graphics resolution
Wide-screen monitor
Microsoft Office
Laser or inkjet printer
Internet connection
You can browse to the official website if you want to find more about it: http://www.concordiatechnology.org/shepherds-staff