Windows 8 Pro (32- or 64-bit) from Microsoft is a complete redesign of how you interact with your computer. One of the most notable features found within Windows 8 Pro is the Start Screen. This intuitive Start Screen puts your entire computer on one screen by providing you tiles allowing you to interact with virtually every aspect of your computer from email, to chat, to applications. You can also use this same intuitive interface on a variety of devices that run Windows 8 including desktop PCs, tablets, and touch screen PCs. Cloud connectivity is another major feature found in Windows 8. Simply set up a Microsoft account, and you can access and manage various aspects of your account from any Windows 8 device. Utilize the Mail and Messaging apps to keep in touch with friends, family, and co-workers by linking to other social networking accounts such as Facebook and Twitter. You can also take advantage of Microsoft SkyDrive to upload your files making them accessible from any Windows 8 device. System Requirements: Processor: 1GHz or faster RAM: 2 GB Hard Drive Space: 20 GB Display: 1366 x 768 screen resolution Connectivity: Internet access (fees may apply) Video Card: Graphics hardware acceleration requires a DirectX 9 graphics card with WDDM driver OEM “Original Equipment Manufacturer” Software is distributed to companies like Dell, IBM & HP for installation on new machines. The main difference is that OEM can not be used as an upgrade, any previous or trial versions of the software must be uninstalled before installing an OEM. The packaging is typically CD & License, no box. OEM Software does not come with installation support from the manufacturer.