2011 September In later part of September 2021, recognize that increasingly reaching end of possibility to continue using 10.13 High Sierra. Which has been absolutely “good enough” for years, including use of: MS Office 2011 Adobe CS suite with perpetual license MS Ergo 4000 keyboard, ok – been a bit of struggle for years but … Continue reading macOS 10.13 High Sierra Upgrade to Anything 64-bit