There may come a time when you want to completely erase your computer's main drive: user files, emails, web browser history, programs, and operating system, not to mention all of the previously-deleted files that still sit hidden on the drive. You will do this on the Computers tab.
A computer can have many drives. But only one of those is the "primary drive" or the main drive on your computer – the place where your operating system is. This drive is the heart of your computer. In Windows, it's your "C:\" drive. In OSX and Linux, it's your root "/" drive.
EraseData can't erase the computer's main drive while it's in use. So erasing a "computer" is a slightly different process than other drives.
All other drives should be erased from the Drives tab in EraseData.
When you erase the computer's main drive, you will erase every visible and invisible, previously-deleted file on the drive. After erasing the drive, the drive will be totally blank, ready to be used again.
This cannot happen while the drive is in use. So to erase the main drive, you will need a USB thumb drive. EraseData will reboot your computer using this thumb drive, and from there it will erase your computer's drive.
The following topics will guide you through this process: