first change the bios to use non secure bios settings or change it from UEFI to regular known bios "settings" then change the boot menu to boot from CD/DVD , save and reboot
Its highly recommended to take an image of your existing OS "try Redo.org"
if the Windows installation see your Hard Drive then your ready to install windows
for drivers you will suffer heh. but no problem download this software's will help you a lot
for drivers http://omgprogram.blogspot.com/2014/07/easy-driver-packs.html