As we all know, 'I don't like ( insert product name here)' usually means 'I am unfamiliar with this, this isn't what I am used to, and I don't want to learn something new'. I'm not against using Boot Camp or rEFInd, but if the reason for Windows is simply 'I don't like OS X', then I would prefer the virtualizing route. And I strongly agree with Computer IT Solutions to not format the system and load Windows only. I agree with Zak5178 about virtualizing Windows. let me know if you have any other questions - Once windows is installed you can join it to any domain the same as you would any other windows PC AND so in the future when you decide to sell the machine you can OPTION BOOT back into the Mac side and use bootcamp to 'undo' the windows partition and factory reset the machine without calling a guy like me to do it for you. The main reason you want to do this is so you do not ruin the machine and you download the correct drivers. So you will never have to deal with the Mac partition unless you 'Option Boot' the machine. Once you have completed the Windows installation your drivers will install and then you can choose the startup disk which you can make windows the primary. It also downloads the necessary drivers the machine will need in order to run windows correctly on a mac, which is why boot camp is so important! Also when you are running bootcamp you can choose the partition size for each side (windows and mac side) if you do not intend to use the Mac OS just partition it as small as you want so more storage is dedicated to the Windows partition. If they really hate Mac OSX use boot camp, which basically partitions the drive and formats one side for Windows. Dear lord, do not reformat and just install Windows.

Bootcamp vs parallels 2020