W10 is really nice in that it doesn't ask for a password every time you need to scratch an itch.
The search function kills Spotlight, and Cortana feeds Siri to the Swarm.
Making default settings is more of a pain than on a Mac. Instead of System Prefs we have Control Panel, settings, and a dozen or more applets that, once you figure out the name needed, pop up and let you do what you want to do, maybe, but use obscure language to tell you their function. What IS a charm bar?
You have to learn it, and once learned it's not so bad, but it would not have killed Microsoft to neaten the mess up a little bit.
Formatting is weird because there's several places to do it, but only one of them works for USB sticks.
Backup is also odd with Win7 and 10 cloning Apps both present. Still haven't figured how to make a bootable clone to an external drive, but I've heard Lenovo may be at fault for that.
All in all, some better, some worse. There's a learning curve, but those can be fun; especially if the result is pretty and fast.