1. Copy the backup code, you should have saved it somewhere

2. Press the plus on your authenticator app

3. Select 'Enter Setup Key'

4. Set account name to 'Kwik'

5. Paste the backup code from #1 into the 'Your Key' field

6. Select 'Type of key' as 'Time based'

7. Press 'Add'

8. All done, enter the generated code on the 2FA login page