You have noticed there are two IE in win 8? I use the one on the desk top - I do not like the other at all. I am not keen on win8 - but that is an improvement because before I did not like it! I have spent many hours trying to like it - and I have tweaked it to improve it from my point of view - I can not see who would prefer it to an existing win7 setup unless you have touch screen.
Windows 10 Home vs Windows 10 Pro comparison: Here are the extra features you get in the Pro version