.inline-media-container.loading { background: none; } .inline-media-container.loading::after, .inline-media-container.loading-empty::after { display: none; content: none; } .inline-media-container.loading video { display: block !important; }

Find out which macOS your Mac is using

Learn which Mac operating system (macOS) is installed on your Mac, and whether it's the latest (newest, most recent) version. If a product or feature requires a later version of macOS, check macOS compatibility to find out whether you can upgrade to that version.

Which macOS is installed?