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The isolated - is probably the unrecognized option.
Remove the space between the - and the X to see if the error goes away.

Do you have maven installed on your machine? What happens when open a command prompt and enter:
mvn --version

I get this:

Now posted here: https://coderanch.com/t/754179/maven/build-tools/Maven-start-Java-Virtual-Machine

I do not know what an "install" on Windows does. If you unzipped/copied a program into some folder, I don't think there was an "install" done and I don't know if Windows would see it and list it.

Try asking about Maven on this forum: https://coderanch.com/forums


How did you install Java?