Optional features are precisely that: functionality that you can choose to enable if you wish.
We're going to explore the different places where you can enable optional Windows 10 features and explain what they do. These optional features are targeted more at power users and IT administrators, though there are some that the average person might want to make use of. But did you know that Windows 10 contains some optional features that you can enable? In fact, the operating system is continually updated to add new ones. If you still want to use them then you're free to do so, but you'll need to manually download them from the Windows store.Windows 10 isn't short on features.
The following apps won't be removed if you upgrade an existing device, but they'll no longer be installed on new devices or when clean-installing Windows 11.
Math Recognizer will install on demand and includes the math input control and recognizer.