Setting up 2FA on another device is very straightforward. Before we move ahead kindly keep the Google Auth Key ready with you.
Step 1: Launch Google Authenticator and click on the "+" icon on the bottom right
Step 2: Click on 'Manual entry'
Step 3: Add Details of the account
Account: Enter "Mudrex - <your email id>". Eg "Mudrex - firstname.lastname@example.org"
Key: Enter the 16 digit 2FA key you had securely stored
Enable 'Time based'
Step 4: Click Add!