Connect Yubikey key to GitHub

I recently purchased a YubiKey for two-factor authentication, but I don't know how to connect it to GitHub.

Can anyone help me?

Step 1: Enable Two-factor authentification on your GitHub account

1. Sign in to your GitHub account.
2. Click your profile picture in the top right of the screen.
3. Select Settings
4. In the left panel, select Security
5. Click Enable two-factor authentification
6. Choose the method of you want to receive one-time passwords, Set up by using an app or Set up using SMS

Step 2: Adding your Yubikey for two-factor authentification

1. Sign in to your GitHub account.
2. Click your profile picture in the top right of the screen.
3. Select Settings
4. In the left panel, select Security
5. To the right of "Security keys", click Add.
6. Insert your YubiKey into USB port.
7. In the Security keys section, click Register new device.
8. Type a nickname for your YubiKey, then click Add.
9. Wait your YubiKey to begin flashing, then tap the gold button or edge.

For more information: https://yubikey.com.ua/en/using-yubikey-with-github/