Research macOS High Sierra from Beta Users
For the last several months thousands of users tested the macOS High Sierra beta on their Mac. The odds are very good that they use the same apps and the same Mac as you do, which means you can learn from their experiences.
We recommend checking YouTube and Twitter for reactions from macOS High Sierra beta users to see how your Mac performs on the macOS High Sierra update before you install.
You can also check the Apple discussion forums for feedback from macOS High Sierra users once this is live and check out the MacRumors forums where people share known issues and problems with the macOS High Sierra beta and specific Macs or apps.