Primary Region

1.1 Create application in Primary region by launching CloudFormation Template .

1.2 Specify stack details.

Leave IsPrimary, IsPromote, and LatestAmiId as the default values

1.3 Click Next to continue.

1.4 Leave the Configure stack options page defaults and click Next to continue.

1.5 Scroll to the bottom of the page and click the checkbox to acknowledge then click Create stack.

Wait for the stack creation to complete.