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Microsoft Windows 10 Continuum is a feature that adjusts a device's user interface to accomodate different form factors. For example, if a user works with a 2-in-1 device, the operating system automatically detects a keyboard and adjusts the device's view to that of a traditional desktop computer. If the user does not attach a keyboard to the device, the operating system defaults to tablet mode.
Windows 10 Continuum also works on users' Windows-based smartphones. Users can connect their smartphones to a wired dock or wireless adapter and project their phone's screen to a high definition television (HDTV) or monitor that has HDMI input. Continuum then registers that peripheral devices, such as a keyboard or mouse, are present and displays the desktop accordingly. The feature works best on devices such as the Microsoft Surface line of tablets and Windows flagship smartphones, which are designed to take advantage of the adaptive interface.
Continuum is designed to work with Universal Windows applications to simplify app development. Developers only have to write code for an application once and it works across devices.