I have a cousin with a Mac PC who has not been able to adjust to the Mac OS.  She has taken a few courses at Best Buy but I'm not sure these have helped much.  I believe ages ago I had heard when Mac had switched to the Intel chips I had heard you could have a Mac PC loaded with a win OS.  Since she is much more familiar with windows I am wondering if it is possible to replace the Mac OS with windows 10.  Guessing the computer is about 3 to 4 years old, it is an all in one setup.
I haven't been able to find anything on the internet about this.
Carl2

I know from experience that the second (maybe 3rd? dunno for certain) generation Intel CPU units cannot install Windows on them, I'm afraid. I was given a 6 year old Mac a couple of years ago (so an 8 year old unit, now), and tried to convert it, with no luck. A quick Google search is giving indications that it's possible to do if you use software called Boot Camp, but only for 64 bit systems (My Mac is only 32 bit). So I think the first step is to determine if that Mac is 64 bit, then go from there.

I think both you chaps are right, it can be done on some Macs that use Intel hardware.

! No longer available

  I gave my cousin a call and sent her an e mail with the links.  I'm thinking the vid is for making a Dual Boot PC.  At this time I'm thinking just swap the original hard drive with an empty one and install Win 8.1 from disk and see if that will work.  I'd like to see her get a SSD into the Mac.
Carl2