When the Windows 7 operating system was released, it shared many features and functions with its predecessor, Windows Vista. It also improved upon Vista in several areas. Some of the changes were cosmetic, such as the new Windows button, but most of the new features, such as improvements to the taskbar, were designed to make the user more productive.
Windows 7 Explained! Chapter 2: The New Features of Windows 7
Here is a list of features and functions that Microsoft introduced in Windows 7: