UWP enables apps that are written and built once and that can run on a wide range of devices, from Hololens to Xbox and Surface Hub. One requirement for this converged app platform is to have a set of fonts that are common across all of these device categories. In past releases, there were different sets of fonts that shipped in Windows Phone, Xbox One and Windows desktop client. In Windows 10, there is now a common set of fonts guaranteed to be present on all Windows 10 devices, across all Windows 10 editions and across all device categories and form factors. The set of common, UWP fonts is given in this article: In addition, this set of common fonts provides comprehensive Unicode support, accommodating thousands of languages from around the world using a small set of fonts that require only limited disk space. The Windows desktop client is typically used on devices with less stringent storage constraints, and so it can accommodate a larger selection of fonts.
