[header] How to use a flash drive as a hard drive [title] Plug the flash drive into a usb port. [step] If you have not plugged in this type of flash drive into your computer before, you may have to wait for its drivers to be installed. It may also need to be formatted. 
Windows will guide you through format process, but understand that formatting this flash drive delete any files that are already saved on the device. [title] Open the start menu and click " computer.