Windows 7 officially launches today, but we've been testing, tweaking, customizing, fixing, and writing about this OS for a year now. We present here a guide to everything we've learned about the OS, ...

1. The Taskbar reloaded: Windows 7’s version of the Taskbar is less cluttered than Vista’s, and it handles both running and nonrunning apps with equal aplomb. 2. Slicker, quicker Taskbar Previews: Now ...