Your assistant for showings, follow-up and the paperwork in between — running on your own Mac.
Open the downloaded file. Apple's installer walks you through it.
A setup page opens by itself and asks a few questions — about twenty minutes, most of it waiting on downloads.
Paste the code from your welcome email when it asks, then point your iPhone at the code on screen.
Need the code again, or something not working? Reply to your welcome email and we'll sort it out.