PORCH is a new and exciting option for ISN users.
Before opting out you should take the time to read up on the features available to you.
TO OPT OUT :
Go to Settings--- Office Settings--- Porch
The click to disable and save
You are now opted out of PORCH.
Even after opting out you can always opt back in. Take some time and review what PORCH has to offer and the wonderful benefits that come with being part of the the PORCH and ISN partnership.