In this video walkthrough, I show you step-by-step how to deploy a Windows installation using Boot Camp drivers on an external drive connected to your Mac. With this in mind, setting up an external Windows drive on your Mac might prove to be handy. Considering that many Macs out there have relatively minuscule amounts of onboard storage, installing Boot Camp to run Windows isn’t always a feasible option. Traditional Boot Camp installations can take up a lot of storage space on your Mac.