If on your Windows 7 computer opening programs, saving documents, browsing the Internet and other every day tasks are getting slower, this is how you speed up things without installing an additional program.
If you can't copy files that are bigger than 2 or 4 GB, usually HD movies and such, on to your USB key, it's usually due to the file system the USB key is formatted to.
Windows 8 brings just two quick view of all the files in a particular folder, which are set by default in Windows Explorer. You'll learn where to find other views.
Windows 8 also brings a very transparent tool for examining global indices, where you can also optionally keep track of the value of individual shares.