Dear Peggy, Thank you for joining WikiTree.com!
I don't think there is an order to learning, really, because there are so many different ways one can contribute to the WikiTree. In no particular order, here are some ideas.
* Learn to add sources. This is key to participating in WikiTree. We need to know your sources for your information. This can be as simple as copy and pasting the citation from FindAGrave or FamilySearch.org for a bit of information. Just paste it in the == Sources == section under the <references /> command. Always look for citations on webpages. Not all sources list them, but they make life much easier if you can use them. Example:
== Sources ==
<references />
* Curtis, John. The Big Curtis Book. Chicago, IL: Curtis Publishing, 1914.
When you are ready to take it one step further, you can link your citation to data in the == Biography == section. This is easiest if you click the little C (for citation) edit button and paste your source between the two commands. Example:
The Curtis farm was 20 acres.<ref>Curtis, John. The Big Curtis Book. Chicago, IL: Curtis Publishing, 1914. Page 123.</ref>
To add a FindAGrave citation, look at the bottom of the FindAGrave memorial and click Citation. Copy the citation and paste it in the Sources section. To keep the link active, delete Find A Grave Memorial no. and paste {{FindAGrave| before the number and |Sameas=yes}} after the number. Before and after examples:
p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; line-height: 21.0px; font: 14.0px Arial; color: #000000}
span.s1 {font-kerning: none; color: #000000; background-color: #d5d5d5}
span.s2 {font-kerning: none}p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; line-height: 21.0px; font: 14.0px Arial; background-color: #d5d5d5}
span.s1 {font-kerning: none}
Find A Grave, database and images (https://www.findagrave.com : accessed 12 December 2018), memorial page for Thirza Curtis Smith (23 Apr 1775–24 Nov 1803), Find A Grave Memorial no. 21299119, citing Ancient Burying Ground, Hartford, Hartford County, Connecticut, USA ; Maintained by Anonymous (contributor 46933460) .
Find A Grave, database and images (https://www.findagrave.com : accessed 12 December 2018), memorial page for Thirza Curtis Smith (23 Apr 1775–24 Nov 1803), {{FindAGrave|21299119|Sameas=yes}}, citing Ancient Burying Ground, Hartford, Hartford County, Connecticut, USA ; Maintained by Anonymous (contributor 46933460) .
* Please always enter a location, however vague, and always list as much as you know about a location. This is world wide family tree, so we need to know the location details. If the location is in Australia, Perth or Sydney is not enough. Please enter the full location. Example:
Hartford, Hartford, Connecticut, United States
* Learn the various privacy levels early in your WikiTree experience. https://www.wikitree.com/wiki/Help:Privacy Remember that all profiles of people born over 150 years ago or who died over 100 years ago must be Open.
* Decide what you like to do most, and contribute to that task. I like to add sources to unsourced Smith profiles. Others like to write biographies. Others like to get in the weeds and help others with their research. And the computer people like to help us all with new applications and tips. There is something for everyone here, so start slow, but be bold enough to learn from your mistakes. We all make them, so don't let it get you down. Carry on!