Talk of Windows 10 "S Mode" has been floating about for a few weeks, but this was the first time that it has been acknowledged as a "mode", which will roll out next year. By switching to the new "S Mode", your Windows 10 system will no longer be able to install apps from any third-party sources and will instead only accept apps from Microsoft Store. Whereas Windows 10 S is a standalone operating system, S Mode will be an optional feature for regular Windows 10 editions.
While Microsoft will be dropping Win 10 S but reportedly, the company is working on a new OS targeted towards performance like Win 10 S. According to report, Microsoft is working on new version of Win 10 codenamed "Polaris" that will essentially replace Windows 10 S. Also, the apps will run in a limited nature, just as they perform operations on Windows 10 S operating system.
In 17618, Sets works with a bunch of Microsoft apps, including Mail, Calendar, OneNote, MSN News, Windows and Edge. This week, a Microsoft executive confirmed that rumor. Belfiore's Tuesday Tweet has revealed that the reports are true, and when the transition will take place.
We use Win10S as an option for schools or businesses that want the "low-hassle"/ guaranteed performance version. "Next year 10S will be a "mode" of existing versions, not a distinct version. SO ..."
Whether Microsoft will offer Windows 10 S by default is not clear.
The Windows 10 S was meant to be somewhat of a "lite" version of the full Windows 10 system, with the company claiming that the "S" stood for "Simplicity". Windows 10 Home/Pro, with its legacy Win32 support, will be the more powerful version. I'd fully expect Microsoft to detail more information at Build this year to help developer better understand the requirements and benefits of these new tools.