十月，你是一个月。你给我们带来了Windows7，一些严肃的GoogleWave见解，以及美味的媒体中心升级。下面我们快速回顾一下2009年10月最受欢迎的帖子。

• Top 10 Windows 7 Booster Apps Windows 7 is a big improvement over Vista, and a pretty convenient OS in general—but it's by no means perfect. These 10 downloads improve Windows 7's looks, functi***, and make it easier, safer, and more convenient to upgrade to.
• Lifehacker's Complete Guide to Windows 7 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, from first install to final settings change.
• Install Snow Leopard on Your Hackintosh PC, No Hacking Required Two weeks ago I detailed how to build a Hackintosh with Snow Leopard, start to finish, with a little Terminal work. If you're not comfortable with command-line hacking, you can now install Snow Leopard on your Hackintosh with just a few point-and-clicks.
• Google Wave First Look If you're not one of the 100,000 lucky users who gets an invitation to Google Wave today, don't fret. You can check out Google Wave right here.But first, ground rules.
• Wallpaper Roundup: Color Splashes and Cooler Days Fall is a colorful time of year and the vibrant hues of fall foliage and holidays lend well to livening up your desktop. Take a stroll through our collection of fall-themed wallpaper to find a new look for your workstation.
• Google Wave's Best Use Cases Last week we asked a simple question: How will you use Google Wave? Over 600 resp***es later, we're sending Wave nominati*** to the people who had the best use cases.
• The Master List of New Windows 7 Shortcuts Windows 7 adds loads of great shortcuts for switching between apps, moving windows around your screen, moving them to another monitor altogether, and much more.
• First Look at Ubuntu 9.10 Karmic Koala Beta The beta release of Karmic Koala, the next version of Ubuntu Linux, just arrived on the net. Wondering what's new inside the open-source operating system?
• Build a Silent, Standalone XBMC Media Center On the Cheap You won't find a better media center than the open-source XBMC, but most people don't have the space or desire to plug a noisy PC into their TV. Instead, I converted a cheap nettop into a standalone XBMC set-top box. Here's how.