If you are still unsure whether you want to upgrade to Windows 10, this article from PC Magazine gives you ten reasons you should upgrade:
TIP FOR NEWBIES:
You can find just about anything you want to know on YouTube. If you thirst for more info on Windows 10, just go to youtube.com (type "windows 10" in the search bar if necessary) and be prepared to spend some time learning all about different aspects of Windows 10. If there is a special feature you wish to know more about, include that in your search query. Have fun!