Windows 8.1 Pro is the operating system intended for small and medium-sized businesses.
It provides abilities such as joining corporate domains, participating in Group Policy, allowing involvement in Work Place Join and Work Folders, encryption and more.
You can find a good list of business features in the The IT Guide to Windows 8.1. Note that some of the new business features in Windows 8.1 Pro require a server running Windows Server 2012 R2 somewhere in the organization.
This operating system is eligible for a free upgrade to Windows 10 when available. More details below.
The Start screen. Personalize your Start screen with your favorite news, friends, social networks, and apps. Customizable colors and backgrounds and four different tile sizes make your device as unique as you are.
The apps you want. In addition to great built-in apps for e-mail, people, photos and video editing, you can also download thousands of popular apps from the Windows Store, including Netflix, ESPN, Skype, and Halo: Spartan Assault.
It plays as hard as it works. Windows 8.1 gives you the power to quickly browse, watch movies, play games, polish your resume, and pull together a killer presentation - all on a single PC.