Can you install windows 10 on Mac Pro 3.1 (2008) with Bootcamp?

Hey,

Is it possible for someone to confirm if its possible to upgrade to windows 10 on a 2008 Mac Pro (3.1) with bootcamp?

Since I use a non apple flashed Nvidia graphics card, I fully rely on bootcamp(System Preferences in Mac and Control Panel in Windows) to switch between my osx and windows. I cannot use the Bios boot choice keyboard shortcut since the bios does not show up with my Nvidia card.

The issue is that, although I did get as far as installing windows 10 and it worked, I could not find Bootcamp in the control panel for me to switch back to osx. Has anyone got windows 10 installed and working with Bootcamp?

Thanks in advance,