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To enable a U2F security key for your Facebook account, visit the Facebook website and sign in with your account. If you don’t have your security key or you’re signing in from a device or browser that doesn’t support this, you can still use SMS verification or another two-step verification method you’ve configured in your Google account security settings. RELATED: How to Set Up Google’s New Code-Less Two-Factor Authentication If you have a YubiKey NEO, you can also set this up with NFC for your Android phone if you wish. Just insert the key and press the button on it when you’re asked to do so. When you log in from a new PC, you’ll be prompted to authenticate with the USB security key. This doesn’t work on an iPhone, as only Android provides apps with access to the NFC hardware. If you have a key that supports NFC, you can tap it on the back of your Android device when signing in to authenticate, when prompted. When signing in from a platform that doesn’t support security keys-for example, any browser on an iPhone, Microsoft Edge on a Windows PC, or Safari on a Mac-you’ll still be able to authenticate the old fashioned way, with a code sent to your phone. (Opera also supports U2F security keys, since it’s based on Google Chrome.) Mozilla Firefox now includes U2F support, but it’s disable by default and must be enabled with a hidden option at the moment.
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The top result is from Yubico, who worked with Google to develop U2F before other companies signed on, and has a history of making USB security keys. Google’s official documentation tells users to search for FIDO U2F Security Key on Amazon and buy one. A FIDO U2F security key: You’ll need the physical authentication token to get started.To get started, you’ll need just a few things: RELATED: U2F Explained: How Google and Other Companies Are Creating a Universal Security Token
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