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.
Explorer in Windows 8 is quite updated and it is as much as possible adapted to the user. They have also added the option to quickly access the Command Prompt terminal window.
Windows 8 has very functional calendar to remind you about all events you don't want to miss. In this lesson I will show you an example how to add birthday reminder.
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.
By default Windows calculator doesn't support order of operation, to enable the functionality you need to activate the scientific view, let me show you how.