1) Simple to Use. The Snap feature arranges windows side-by-side by dragging programs. You can then pin your favorite programs to the Windows Taskbar. Finding often-used programs and files is easier with Windows 7. The streamlined user interface includes a cleaner desktop and task bar. Using the Jump Lists feature, you can place the cursor over graphic thumbnails to see a preview of recently viewed files.
2) Faster. PCs start up and shut down faster by reducing background services. PCs also sleep and resume more quickly. 64-bit editions of Windows 7 take full advantage of the increased RAM and multi-tasking capabilities of 64-bit PCs.
3) More Reliable. Windows Vista applications or devices should run on Windows 7, and Windows Vista systems will run Windows 7 faster. Battery life also improves with trigger-start services.
4) Better Compatibility. Windows 7 will considerably reduce compatibility issues seen in previous operating system releases. Built with compatibility issues in mind and through the great work of the Compatibility Assistance Support Team (CAST), existing applications will run on Windows 7.
5) Easy Web Browsing. Keep track of important information without constantly returning to websites with the Web Slides feature. Bundled with Internet Explorer 8, Web search results will now include pictures and previews allowing for quicker page loads, the ability to view two pages side-by-side if desired, and better security to protect against cyberspace attacks.
6) More Secure. User Account Controls alert you if an unknown program tries to run on your PC and, unlike Vista, most protection - which includes Windows Defender's anti-spyware software and Windows Firewall - takes place unobtrusively in the background. On a related note, Windows 7’s new backup program makes it easier and more intuitive for users to back up individual files and folders.
7) The Hub of your Digital Life. Sharing data across all of your PCs and mobile devices will be a lot easier with faster and more reliable synchronization. Also, Windows 7 provides a smooth integration with Windows Live services. For personal, at-home use, the HomeGroup feature is easy to use and takes just found steps to set up a wireless home network.