Lenovo recommends Windows.

Lenovo Enhanced Experience 8

Get to know Windows 8.
Optimized for Windows 8 Apps: IdeaPad Yoga Covertible Laptop from Lenovo
CONNECT: Quick Resume & Connect
Pick up where you left off. Wake from sleep in less than 2 seconds and quickly connect to the internet.
Lenovo Cloud Storage
Lenovo Cloud Storage
Access to your files, from anywhere on any device. Auto-sync content, back-up data, and share files across Windows, Android, iOS and Blackberry devices. 5GB free storage. Data is encrypted on transfer for an extra level of security. Plus, single sign-on with a Lenovo ID.
Lenovo Mobile Access
Lenovo Mobile Access
This wallet-friendly pay-as-you-go wireless WAN (WWAN) mobile broadband service enables online access anywhere, anytime.

Flexible pricing and no contract needed—30 minutes or up to 30 days. Perfect for travelers and anyone on-the-go.