With very little effort, you can now upgrade your Yosemite, El Capitan, and Sierra machines to High Sierra using this recipe. If you or your clients are still on 10.6.x, 10.7.x, or 10.8.x please see our other recipes.
Associate Fileset as a Kiosk association for the end users to go through on their own time.
Deploy to your clients
kbsurveyThis method has now been replaced with: macOS Upgrades or Erasing