Hi
You just missed a great opportunity, the Learn Moodle 3.6 Basics course at https://learn.moodle.net/. The next course will be in June 2019.
If you have never been in a Moodle course (well, you're in one, this site moodle.org is a slightly modified Moodle) you can still register and look around in the running course. But to do anything useful it is too late.
Teaching with Moodle
How to use MOODLE but its really interested
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