Step 1 : Install Any Authenticator App

Microsoft Authenticator for Windows Phone, Android and iOS
Google Authenticator for Android and iOS.

Step 2: Link your device to your account:

Launch the authenticator app on your mobile device.

Tap the "+" button or the option to add a new account. Select Scan a QR code. Hold your phone up to the screen and scan the QR code below:

Please open the registered authenticator app to find the OTP