Hi Joseph,
Thank you for posting the question on the Microsoft Community and giving us an opportunity to help you. I will guide you regarding the driver for Epson perfection 3170 photo scanner.
Epson perfection 3170 photo scanner is compatible with Windows 8. I suggest you to refer to the link.
http://www.microsoft.com/en-us/windows/compatibility/win8/CompatCenter/ProductViewerWithDefaultFilters?TempOsid=win8&Locale=en-us&TextSearch=epson%2Bperfection%2B3170%2Bphoto%2Bscanner&Type=Both&CurrentPage=0&TotalPages=1&ShowCriteria=0&SortCriteria=Relevance&Compatibility=Unknown&LastRequested=14
However for Epson perfection 3170 photo scanner there is no driver for Windows 8.
I suggest you to download the driver for Windows 7 form the manufacturer’s website and install it in compatibility mode.
Refer to the link to download the driver for Windows 7
http://www.epson.com/cgi-bin/Store/support/supDetail.jsp?oid=25021&infoType=Downloads
Refer to the link to install it in compatibility mode.
Make older programs compatible with this version of Windows.
http://windows.microsoft.com/en-IN/windows-8/older-programs-compatible-version-windows
For any help related to Windows you may always post on the Microsoft Community Forum.
Thank you.