Updated for 7.0
For a new member (see: Add Member).
For an existing member, search the member’s name (see: Search Members).
Each of these will bring you to a pop up that looks like this:
Select View at the top left of the pop up. This will take you here:
Select +Add in the Address(es) box. A pop up will appear that looks like this:
Follow the prompts to add the information.
Click the +Add Address button directly below to finalize adding the information.
These are samples.