How can I enable 2-step login without mobile service?

Hello , if someone can help it would be very appreciated :slightly_smiling_face:

2 Step log in with out mobile service

Our payments have been paused as we dont have 2 step log in because we have no mobile service .Is there a way around this ? I see you can use a security key but have read problems with this techniche and not confident to try it . If anyone can help :slightly_smiling_face:

Thanks Colin