macOS - How to Upgrade - Apple
You'll need the following: OS X 10.9 or later; 4GB of memory; 35.5GB available storage on macOS Sierra or later*; Some features require an Apple ID; ...
Apple Yosemite Sierra Order : Useful Links
10.15.7. macOS Mojave, 10.14.6. macOS High Sierra, 10.13.6. macOS Sierra, 10.12.6. OS X El Capitan, 10.11.6. OS X Yosemite, 10.10.5.
OS X Yosemite was released to the general public on October 16, 2014, as a free update through the Mac App Store worldwide. It featured a
If your Mac isn't compatible with the latest macOS, you might still be able
macOS Sierra is macOS 10.12. It does not yet support the project extensions. You need to go to all the way to macOS 10.13 High Sierra or macOS ...
MacOS 10.13: High Sierra- 2017. MacOS 10.12: Sierra- 2016. OS X 10.11: El Capitan- 2015. OS X 10.10: Yosemite-2014.
I have OS X Yosemite 10.10.5 and cannot download hight Sierra. It says. " Downloading installer information to the target volume failed.".
You can create more powerful Mac versions of your iPad apps with Mac Catalyst. And you can easily bring your extensions to Safari — and to the App Store.
10.13 High Sierra or macOS 10.14 Mojave, if your Mac is compatible.
Get your Mac ready for an upgrade to macOS Sierra. Everything