Can I configure a USB drive to act as a key for Windows?

[Blake Seaman]

In Windows 8.1 currently or 10 soon, is there any native functionality allowing me to use a USB key as a password to unlock the machine?

Essentially a native version of this:

(http://www.predator-usb.com/predator/en/index.php)

 

[Laura Knotek]

Bitlocker http://windows.microsoft.com/en-us/windows-8/bitlocker-drive-encryption

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