If you have a QR code, make sure the QR code is visible on the screen and select the Scan QR Code button. You will be presented with a form to fill in the information into the application.Select the Yubikey picture on the top right.Open Yubico Authenticator for Desktop and plug in your YubiKey.If you are planning to register more than one YubiKey with this service, please save a copy of the QR code, or secret key as you will need it when registering more keys.Select the option to use a mobile app, or Google Authenticator.Tip: Some services call this 'two-step verification.' Usually, you will do this by selecting Settings or Security, and then selecting the option to Enable two-factor authentication. Enable two-factor authentication for your service.Setting Up Your YubiKey in Yubico Authenticator 6.0+ for Desktop We have created both a desktop and mobile version of this app for you to use so you can use it on a Windows, Mac, Linux, or Android. You can use Yubico Authenticator, which is similar to Google Authenticator. The codes generated are OATH-TOTP codes, a type of one-time password, that are usually six-digits. To use a code at one of these sites, you use an application, such as Google Authenticator, to generate the codes. Example sites where you can use codes to authenticate include Amazon, Dropbox (if you aren't using U2F), Evernote, Facebook, and many others. These instructions show you how to set up your YubiKey so that you can use two-factor authentication to sign in to any account that requires authenticator codes.

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