Your camera should have come with a CD with the proper drivers to load? Or, I would think Windows should at least find it and treat it as an 'external drive' at the minimum.. Then, you would have to "path" your way to where the pics are.
My Windows 7 and even my old XP find all my old and new cameras just fine without any additional drivers...
๐Sorry, I can't help with Win 8.1.. I will reject that OS for as long as I can!!
๐Mitch
2013 F150 XLT 4x4 SuperCab Max Tow Egoboost 3.73 gears #7700 GVWR #1920 payload. 2019 Rockwood Mini Lite 2511S.