Be Ready to Deal with macOS High Sierra Problems
We're working on a roundup of how you can fix most macOS High Sierra problems, but you can also start preparing for this on your own by looking at known issues and how to fix them.
It's a good idea to save any fixes for macOS High Sierra problems to your bookmarks so that you can easily find it on your iPhone or a second computer. If you run into problems installing macOS High Sierra you may not be able to use your Mac to look for fixes.
This will help you lean how to fix many of the most common macOS High Sierra problems. You can use this guide to solve some of the most basic issues like Bluetooth or WiFi problems, or poor battery life after upgrading.