Hi Mary,
I'm Paul and I'm here to help you with your concern.
Can you refer to this page? See the info under "I want to cancel my service.".
https://www.driversupport.com/why-was-i-charged/
Disclaimer: There are links to non-Microsoft websites.
The pages appear to be providing accurate, safe information. Watch out for ads on the sites that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the sites before you decide to download and install it.