If you need, besides major accounts, an extra account with limited access to data, you can add Windows 8 Guest account. The process is almost the same as in Windows 7.
In this day of age, it's very practical to have a Windows 7 installation on your USB key, for many netbooks and devices don't come with CD/DVD drives anymore.
Windows 7 have a nifty feature which combines the windows of opened applications under the same taskbar button. If you don't like it you can always turn it off.
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 has a very useful application to get driving directions from point A to point B and it works everywhere. In this lesson I will show you a simple example.