Windows 10 is shipped with a built-in keylogger that will collect information about your keystrokes and typing pattern. This information is then harnessed by Microsoft to improve writing and typing on the new OS. While it won't steal private information such credit card number, bank account details, passwords, or website credentials, this feature is frowned upon by many users.
This short guide will teach you how to turn off Windows 10's Keylogger.
Stop Windows 10 from Recording Your Keystrokes
Click on Start > Settings. Go to Privacy > General > Change privacy options and toggle the Send Microsoft info about how I write to help us improve typing and writing in the future option Off: