The Surface Pro 3 is the third-generation Surface-series 2-in-1 detachable, designed, developed, marketed, and produced by Microsoft. It originally ran the Windows 8.1 Pro operating system (OS), but the optional upgrade to Windows 10 Pro (OS) operating system was later added.

Microsoft Surface is a line of personal computers, tablets, and interactive whiteboards designed and developed by Microsoft, most of them running the Windows operating system. They are designed to be premium devices that set examples for manufacturers of other Windows-compatible products. It comprises several generations of hybrid tablets, 2-in-1 detachable notebooks, a convertible desktop all-in-one, an interactive whiteboard, and various accessories, many with unique form factors. The majority of devices in the Surface lineup are based on Intel processors and compatible with Windows 10 or Windows 11.