A:Answer Hi Marion, thank you for the question. S Mode is a more secure version of Windows 10 that allows downloads only from the Microsoft Store, and only using the Edge browser. If you want to use a browser other than Microsoft Edge, you'll need to convert (free, simply, non-reversible) to Windows 10 Home. Read about the pros and cons of Windows 10 in S mode here: https://www.howtogeek.com/354057/what-is-windows-10-in-s-mode/