macOS High Sierra 10.13.4 includes 64-bit testing mode & 32-bit app warning Technology macOS High Sierra 10.13.4 includes 64-bit testing mode & 32-bit app warning do son January 25, 2018 Apple today released the first developer beta of macOS High Sierra 10.13.4, the fourth system upgrade Apple... Read More Read more about macOS High Sierra 10.13.4 includes 64-bit testing mode & 32-bit app warning
