Building a hackintosh—that is, installing Mac OS X on non-Apple hardware—used to require extremely restricted hardware choices and quite a bit of know-how. Now your options are vast and the ...

The OS X 10.10 Yosemite installer from the Mac App Store in your Applications folder. The installer will delete itself when you install the operating system, but it can be re-downloaded if necessary.

I just install OS X on to a USB drive. You can then use it on any Mac to boot from, great for diagnosis work. You can also run the installer from within it as well.

How-To How to create a bootable USB macOS installer Make a macOS installer with createinstallmedia and install Sequoia, the latest beta, or any macOS on multiple Macs, or do a clean install.

Learn how to install & run Windows 11/10 in a Virtual Machine using VMWare on Mac OS X easily. There are some prerequisites, however.