In addition to exploring FamilySearch.org on your own, they have several training videos and courses in their learning center. (Can be found under the "get help" drop down menu on the right top side of the screen.)
Here you can find all kinds of video tutorial and lectures. Basic helps to specific topics, short videos to long lectures. You can look up specific countries and watch videos on them too. Look on the left side of the screen.
Here is a look into an online course teaching how to use FamilySearch.
|LDS Member Section has several individualized lessons that give information and practice for finding and submitting names for the temple.|
There is a feature called Sandbox - I believe it sets up mock scenarios for you practice using family tree without messing anything up because they are fake/pretend. For example, say you finish the lesson on merging duplicates. Then you could go into the sandbox and practice merging pretend duplicates.
These are just a few tips from Angie Pedersen. She is totally willing to help you get started or if you are stuck, she may have the answer!
Also, our Ward Family History Consultants are: