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 guide shows you how to clean install macOS Catalina so that you can leave behind any problems from macOS Mojave and get a fresh start. This can help you speed up an old Mac, get some drive space ...

Like Lion (OS X 10.7) before it, Mountain Lion (OS X 10.8) doesn’t ship on a disc—it’s available only as an installer app downloadable from the Mac App Store ...

(Note: This guide is adapted from one I found buried in Google's cache, so I thought Ars might appreciate a more accessible, updated version.)<br><br><b>Introduction</b><br><br>We all know that OS X ...

You can install macOS on a regular PC to create a custom computer called a Hackintosh. To set up a Hackintosh, you need a Mac, a USB drive, and specific tools like ...

I recently switched my OS drive to a new, larger SSD so that I would stop running out of space every time a Windows 11 update came around. I had to weigh up the benefits of doing a fresh install or ...

In creating a full-featured desktop computer that takes up as little space as possible, Apple engineered its Mac Mini with tight internal tolerances. While the computer uses a standard 2.5-inch laptop ...

This article guides you through the process of performing a clean installation of macOS 10.14 Mojave using the bootable USB drive method, rather than upgrading your Mac using Apple's standard ...

A bootable Mac OS X thumb drive comes in handy when you need to troubleshoot OS issues for yourself, your family, or your friends. It’s also extremely useful for keeping your basic setup consistent ...

If you receive an error message indicating that your Mac's firmware is out-of-date, and hence cannot accept installation of Mac OS X from a CD/DVD -- specifically ...