Lenovo recommends Windows. 

Optimized for Windows 8 Apps: IdeaPad Yoga Covertible Laptop from Lenovo
DISCOVER: Adaptable Ergonomics, Exclusive Lenovo Tools, A World of Apps
Adaptable Ergonomics.
Adaptable Ergonomics.
We make devices that conform to you. Patented lay-flat all-in-one (AIO) designs—the industry's widest adjustable screen angles—plus, exclusive multimedia remotes, and Bluetooth® mice and keyboards that make working with your computer more relaxing.
Exclusive Lenovo Tools.
Discover all the amazing things you can do. Learn how to get the most from your PC with Lenovo Companion. Monitor your system performance with Lenovo Support. Stay up to date and get exclusive music, games, and video content delivered to you.
Lenovo Companion. Lenovo Companion. Become the PC user you always wanted to be. Learn about new apps, what they do and how to get them.
Lenovo Support Lenovo Support. Be at ease with your PC. Understand your system's performance.  Know when to take action and how to address the need.
Lenovo Mobile Access Lenovo Mobile Access. Stay connected as long as you want with exclusive pay-as-you-go broadband solution.
Lenovo Settings Lenovo Settings. Controls in one place to optimize your device performance.
Lenovo QuickSnip Lenovo QuickSnip. Snip it.  Crop it. Save it. Share it. Easy, fast, and a really cool way to capture and share your experience.
A World of Apps.
A World of Apps.
Discover and download thousands of apps. Choose from Microsoft's Windows 8 store or Lenovo's curated collection of optimized apps.