What makes the K55N-DS81 special? Combining a 1.9GHz AMD A8-4500M quad-core processor with 4GB memory, this notebook can juggle multiple tasks at once, making it perfect for your everyday computing needs.What can it do for me? Aside from its brilliant multitasking capability, the K55N-DS81 boasts a gorgeous 15.6 diagonal HD LED-backlit display, along with a spacious 500GB hard drive that keeps documents, music, and other files at the ready.Welcome to Windows 8. Real-time social media and email updates right on the Start screen with Windows 8 Live Tiles. Instant access to your apps, with the ability to try thousands more before you buy. SkyDrive, which offers cloud storage of media files, and then instant sharing by integrating sites like Facebook with your PC. Access to your SkyDrive content from any Windows 8 device. Unique multiple user IDs, so everyone in your home can share the same device, with access to their personalized apps. Your whole world awaits. From Asus.In addition, you'll receive a certificate that allows you to download PC Elite v2.8 software to your new PC after you register on a secure website.What's in the box? K55N-DS81 notebook, six-cell lithium-ion battery, power adapter, power cord, manuals, and PC Elite v2.8 certificate.For helpful terms and definitions, please refer to the Computer Glossary tab above.Wireless capability may require a network connection, additional accessories, and/or a service connection fee.Access to and use of the Internet may require payment of a separate fee to an Internet Service Provider.Use of Bluetooth technology may require Bluetooth software and compatible accessories.Not all DVD-R/-RW and DVD+R/+RW discs are compatible with all DVD-R/-RW and DVD+R/+RW players. Contact the manufacturer for further information.Please consult the manufacturer's documentation regarding the safe and proper use, handling, storage, charging, and disposal of products containing lithium-ion batteries.