ダウンロード
https://support.apple.com/ja-jp/106801
https://support.apple.com/ja-jp/106453
https://support.apple.com/ja-jp/106742
https://support.apple.com/ja-jp/106426
システム条件: どのバージョンの macOS でも ダウンロード 可能ですが、インストールの必要があるのは、macOS バージョン 10.14.3 以前のみです。
https://support.apple.com/ja-jp/106446
https://support.apple.com/ja-jp/106683
https://support.apple.com/ja-jp/106566
https://support.apple.com/ja-jp/106423
https://support.apple.com/ja-jp/106884
https://support.apple.com/ja-jp/106837
https://support.apple.com/ja-jp/106841
https://support.apple.com/ja-jp/106862
https://support.apple.com/ja-jp/106887
https://support.apple.com/ja-jp/106633
https://support.apple.com/ja-jp/106452
https://support.apple.com/ja-jp/106636
https://support.apple.com/ja-jp/106408
https://support.apple.com/ja-jp/106854
https://support.apple.com/ja-jp/106547
https://support.apple.com/ja-jp/106618
https://support.apple.com/ja-jp/106380
https://support.apple.com/ja-jp/106880
https://support.apple.com/ja-jp/106612
https://support.apple.com/ja-jp/106488
https://support.apple.com/ja-jp/106805
https://support.apple.com/ja-jp/106416
https://support.apple.com/ja-jp/106386
https://support.apple.com/ja-jp/106904
このアップデートでは、ユーザおよびデベロッパ向けの新しい機能が追加されます。
https://support.apple.com/ja-jp/106617
https://support.apple.com/ja-jp/106537