If you're still confused and unable to understand about Windows 8.1, then here are some resources aims to teach users everything about Windows 8.1.
Getting started with Windows 8.1:
How to install Windows 8.1
Windows 8.1 first time setup
What's new in Windows 8.1
Windows 8 vs Windows RT vs Windows 8 Pro
Windows 8.1 and operating system basics
Above resource include everything, a newbie need to know about Windows 8.1.
This series of videos aims to be a comprehensive guide to completely
prepare users of any background for the Windows 8.1 operating system. Bonus Point:
Windows 8.1: The Missing Manual, Get it on Amazon http://amzn.to/1kDC64s
Hope above resources would be helpful for you.
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