1st wife dies, how do I apply a second marriage (New wife)?

Question

David's first wife Agnes died 3 days after child birth in 1874, they had two children.  In 1876 he marries Isabella Bisset

Answer 1

Click on the Edit tab, then on the right side column, click the link to "add/remove spouse"

Answer 2

You would add spouse 2, 3, 4 etc in the same way as you added spouse 1. Don't forget to search for marriage records at www.familysearch.org or some other website