The FamilySearch Integration screen is shown when you are going through the Legacy Guided-Setup Wizard.
If you would like to interact with FamilySearch, select the Yes option. If not, select No. From this screen you can also choose to add LDS support by selecting the Also add LDS support checkbox.
When you have made your selections, click Continue.
See FamilySearch for more information about it is and what benefits it might have for you.
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