I never got any message from Google advising me to do this. I did get a message today to login into my account to check my security settings and see if they wer

I never got any message from Google advising me to do this. I did get a message today to login into my account to check my security settings and see if they were all up to date, which is what prompted this. Maybe there would have been some messages in there to this effect. But I didn't manage to login...