What's the best process to update from ZfD7 to ZfD7SP1? It doesn't seem possible to download only the service pack, only the full install of Zen 7 with SP1.

Once I apply ZfD SP1 to the server will my ZfD7 clients be able to operate normally until I am able to apply SP1 to the clients?

I'm running Zfd7 on NW 6.5SP6