Windows on a Mac works as on any other PC. Apart, the main advantage of Boot Camp is that it uses all the hardware of your Mac mini, getting the maximum performance. Then, after installing, just install the Boot Camp drivers (that you can download from Boot Camp Assistant or from the Apple website) to get all the hardware of the Mac mini detected.
Before doing anything, first check that your Mac mini is compatible with Windows 8 > http://support.apple.com/kb/HT5634 Also, update to OS X 10.8.3 first in order to get the Windows 8 Boot Camp drivers. Finally, you have in this file all the steps you need to install Windows on the computer > http://manuals.info.apple.com/en_US/boot_camp_install-setup_10.8.pdf