What is Windows 10 in S mode?
Windows 10 S is a specific configuration of Windows 10 Pro that is streamlined for security and performance. Windows 10 S exclusively uses apps in the Windows Store to ensure Microsoft-verified security and integrity. Windows 10 S will help keep your system running fast and secure day in and day out.
For additional information on Windows 10 S, please visit the Microsoft Windows 10 in S Mode FAQ.