How to create a USB security key on Windows 10

[Windows Central]

How do you make your own USB security key?
In the interest of data security, some people are turning to third-party USB devices that act as security keys for their PCs. Without one plugged in, your computer won't unlock. It's as simple as that. There are two ways you can go about getting one of these security keys to add an extra layer of protection: you can buy one, or you can create your own. Let's take a look at both methods, as well as how to actually make your own USB security key using an old thumb drive.

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