Microsoft's official "how to" writeup.
http://windows.microsoft.com/en-us/w...arted-whatsnew
Here are a few other options to help you along.
Turn off the confusing "Quick View" in File Explorer.
http://www.pcworld.com/article/29682...cess-view.html
Turn on System Restore in case Microsoft installs a bad update in the future and you need to back it out.
http://www.pcworld.com/article/29550...d-updates.html
Review and change Windows 10 Privacy and Security settings.
http://www.wired.com/2015/08/windows...ngs-need-know/
Prevent Microsoft from logging your keystrokes.
http://www.pcworld.com/article/29740...l-has-one.html
Restrict Microsoft from sharing your upload bandwidth with strangers.
Leave sharing in place but restrict it to - Select "PCs on my local network".
http://www.computerworld.com/article...ors_picks=true
Increase Virtual Memory from default for better performance unless it's already set proprerly.
http://www.computerworld.com/article...indows-10.html
Change the Start Menu to suit your preferences. (2 links below)
http://www.pcworld.com/article/29607...tart-menu.html
http://www.pcworld.com/article/29672...tart-menu.html
Customize Windows 10 Action Center.
http://www.pcworld.com/article/29659...on-center.html
Manage your taskbar.
http://www.pcworld.com/article/29605...r-taskbar.html
Show file name extensions.
http://windows.microsoft.com/en-us/w...ions=windows-7
Selectively sync your files to OneDrive, Microsoft's cloud storage.
http://www.thewindowsclub.com/onedri...ync-windows-10
More options that Windows 10 provides including some of the above.
http://www.theguardian.com/technolog...10-tips-tricks