Formatting a hard drive along with the install of a new OS is the best option. The vast majority of operating system installations provide a "format" option as part of the installation process.

This article is for people whose Macs came preinstalled with Mavericks. If you can download the Mavericks installer from the Mac App Store, you should instead use our standard instructions for ...

It was 2009 when Apple last released a new operating system on physical media. Things have proceeded remarkably smoothly since version 10.7 switched to download-only installers, but there are still ...

If you want the ability to perform a fresh and clean install of macOS Sierra, then you should consider creating a macOS Sierra USB install disk. Not only will this walkthrough work for the macOS ...

How to create a bootable USB installer drive for macOS Your email has been sent Your new Mac doesn't include an installation media. With the help of a GUI, Jack ...

If you want the ability to perform a fresh and clean install of macOS High Sierra, then you should consider creating a bootable macOS High Sierra USB install drive. Not only will this walkthrough work ...

Apple hasn’t shipped operating systems on physical media in almost a decade, but there are still good reasons to want a reliable old USB stick for macOS Mojave. Luckily, it’s not hard to make ...