With Mac OS X Lion and a new piece of free software, it’s easier than ever to create a USB keychain that you can boot from.

Create a bootable USB drive for a fresh Windows installation (Image via Sportskeeda) A bootable USB drive is a convenient disk for installing an operating system.

Follow these steps to take to create a bootable USB installer drive for macOS Sierra to deploy version 10.12 of Apple's OS on supported devices.

We'll show you to create a bootable USB flash drive with the Windows 10 installer from a Mac. It's easier than you think, thanks to the built-in Boot Camp Assistant from Apple.

For those curious, it's possible to use a Mac to create a Windows 10 boot drive but the process is fairly involved and requires familiarity with Terminal, the Mac's command-line tool.

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.

You can also use this drive to rescue data from corrupt Windows systems. Here’s how to create a live USB stick of Linux distributions from Windows, macOS and Linux.

Wait until a new window pops up informing you your bootable installer has been created and is ready to use. Once complete, eject the USB drive and put it away for safekeeping.

For those curious, it's possible to use a Mac to create a Windows 10 boot drive but the process is fairly involved and requires familiarity with Terminal, the Mac's command-line tool.