To format a hard drive before you start using it in Windows, use the Disk Management utility; on a Mac, use Disk Utility.

Whether you're installing a brand-new drive or wiping an old one clean, formatting a drive is a basic maintenance task you should know how to do. Luckily, Windows 7 and 8 make this pretty easy.

Method 1: Use Built-in Tools on Your Computer Both Windows and Mac have built-in tools to wipe your hard drive. These are quick, easy, and free, which makes them a solid option.