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If you're using Windows 8, you already have a decent (if not nearly as snazzy) Time Machine equivalent built right into the OS. Look up File History, and see if it works for you.

I'm on Windows 7 (I know Win 8 from my gf's laptop and still prefer 7) but I have heard about built in solutions in the newer versions. Maybe I will try them if Windows 10 turns out decent.
 
exFAT, and (OT) integration of systems for devices that are unalike

… exFAT …

In 2012 I experimented just briefly with exFAT, to discover how well the the operating system coped with a file system inconsistency. For what it's worth, Mountain Lion misinterpreted the file system type (and so, reported that it was irreparable).

Off-topic from moving to Windows:

I think Apple's choice to integrate MacOS with iOS while keeping them separate is the wise path forward …

Making OS X look more like iOS was unnecessary, and unnecessarily troublesome. With Yosemite gone, it's easier for me to appreciate an open source approach that makes more sense.
 
I'm on Windows 7 (I know Win 8 from my gf's laptop and still prefer 7) but I have heard about built in solutions in the newer versions. Maybe I will try them if Windows 10 turns out decent.

I think it boils down to now much of a novice the individual is. For novices, MacOSX is the clear winner. For savy users, it's more about what tools are needed to accomplish a task and who offers the best tools. I don't do anything computer intensive other than gaming. For this I pick Windows. For everything else I pick Mac as I consider the MacOS to be a more stable, less risky, and more user friendly environment. I spend much more time with Windows maintenance and hardly any with MacOS maintenance.
 
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