To edit a person’s details in Family Tree Builder, click on the ‘EDIT’ button on a person’s genealogy card. Choose the ‘Edit Details:’ option.
Note: you can also make a double click to open the ‘Edit details’ window.
Use the tabs (Main, Info, Contact, etc.) to add different types of details.
When you finish adding details, click ‘OK’ to save.
If you build your family tree online, please read the following article: How do I edit someone’s details in my online family tree?