Windows 10 S Mode is a version of Windows 10 that ships with certain devices, like the Surface Go, and only allows users to download apps through the Microsoft Store, and not from websites.
What is the point of S mode?
Windows 10 in S mode is a version of Windows 10 that's streamlined for security and performance, while providing a familiar Windows experience. To increase security, it allows only apps from the Microsoft Store, and requires Microsoft Edge for safe browsing.
Is S mode really necessary?
There are a lot of good reasons to put a Windows 10 PC in S mode, including: It's more secure because it only allows apps to be installed from the Windows Store; It's streamlined to eliminate RAM and CPU use; and. Everything a user does in it is automatically saved to OneDrive to free up local storage.