macOS install

macOS（OS X）の10.7 Lion以降全てのバージョンについて、インストール用ISOファイルを作成する方法を紹介します。 ここではMac標準アプリの「ターミナル」を使った手順を、図解を使って詳しく解説します。

I will show you how to create a USB flash memory for installation for all versions of macOS (OS X) after 10.7 Lion. Here, I will explain in detail the procedure using the "Terminal" of the standard Mac application using illustrations.

I have summarized how to obtain the installer for each version of macOS (OS X) so far. OS X 10.7 Lion and later can still be downloaded / purchased from Apple today (January 2020). Also, after getting the installer, I think that you often create a USB memory for installation, but the procedure is explained in the following separate article.

This page shows how to check the compatible models of “macOS 10.14 Mojave” released in September 2018 by various methods such as "Model".

This page shows how to check the compatible models of “macOS 10.15 Catalina” released in October 2019 by various methods such as model number.

Introducing how to check the compatible models of "macOS 11 Big Sur" released in November 2020 by various methods such as model number and appearance. Except for MacBook Pro, you can make a judgment only by appearance without checking the model.

I will explain the meaning of "Big Sur" in macOS 11 Big Sur. Simply put, it's called "Big Sur," a famous place in California, USA. Then, I will also introduce what kind of place it is.

A list of articles on macOS installation, reinstallation, recovery mode, etc.

A list of compatible macOS (OS X) versions is posted for each Mac model. The OS cannot be installed or booted for the unsupported version.