How do I find Sarah Elender Wiggins Adams

If you mean the profile in the FS tree for Sarah Elender Wiggins who married Samuel Ferry Adams in 1855, the profile is KWJX-5D8.
You can access it directly Sarah Elender Wiggins

If you meant something else - like where can you find records for her, please reply, and we can try to help.

The FIND feature is what I used to locate that profile.