Ashampoo AntiSpy for Windows 10 is a free portable tool which makes it easy to see and adjust Windows 10's many privacy-related settings.
On launch the program immediately asks if you'd like to create a Restore Point, welcome protection in case of problems later.
The AntiSpy interface is a single dialog box with a list of settings, a very brief description of each one, and buttons to turn them off or on.
The program can tweak more than 40 options, covering browsing, updates, location features, webcam/ microphone access, Cortana, Contacts and Calendar, and assorted telemetry settings.
Experts can toggle settings individually, and there are also options to disable everything, or all but a few recommended features. There's no telling quite what this might break, so it's good to see the program can restore your default settings, too.