A:AnswerDo you know if the existing card type is PCI express x16? If it is this card will fit. The metal bracket attached to the video card is typical full height.
A:AnswerYou shouldn't have any issues installing it in a unit running 32 bit Windows 10 Pro. I installed it in a computer running 64 bit Windows 10. Follow the installation directions and do not install the software until the video card is installed in the computer. I recommend removing your existing video drivers before installing the card so there are no software conflicts.
A:AnswerThat depends, i presume, whether or not your computer's BIOS allows the onboard video and the video card to run at the same time, The graphics cars itself has a VGA port, an HDMI port, and a third port for advanced video. Perhaps you could get the adapters to be able to hook up all three monitors to the video card itself.