![]() Apple said that would run happily on a late 2009 or later MacBook or iMac, or a 2010 or later MacBook Air, MacBook Pro, Mac mini or Mac Pro. For example, 16 MBP was released after macOS 10.15 Catalina, you’re not going to be able to run Mojave on the 16. The older macOS High Sierra had a little more scope. ![]() When installing, ensure your system is plugged in to power, or the update will not be installed. You cannot run an OS on your hardware if said OS was released before your hardware was. If you have NOT previously installed High Sierra, you can download and install this package (if running OS X 10.10 Yosemite or later) to install the latest BootROM version (you MUST reboot after installing the package to apply the firmware update). ![]() ![]() APFS Boot ROM Support: If you have a machine that supports High Sierra natively, you MUST ensure you have the latest version of the system's BootROM installed.I have early 2011 mac book pro that I recently upgraded its ram to 16 GB, i wanted to update its operation system to latest possible i checked out you tube an then downloaded "macOS Catalina Patcher" from " "in important info section there was a disclaimer who said this: ![]()
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