I realize that there are many of us that do not feel that we need help with new products. I am usually one of these people, but of late, I have taken to reading the instructions completely before starting a new project. It may come as a surprise to many users of the FamilySearch.org website, but there are complete and extensive instructions for all the programs. The key to finding these resources is the Get Help menu at the top-right of the Startup page. Here is a screenshot showing the link:
As usual, you can click on the image to see an enlarged view. Clicking on the link opens a pull-down menu:
If you are signed in as a member, you will see the following screen, if not, the icons concerning the Temple will be missing.
I highlighted the icons for Family Tree and Photos and Stories. Clicking on those icons adds extensive support material at the bottom of the page for each of those products. There is also a place to enter search items to search past answers to questions.
The one thing that is missing from this list is a link to the Reference Guide to Family Tree. That is located on LDS.org. Here is the link to the complete Reference Guide. Be sure and check back periodically for updates to all the materials.