Do you have a qualifying child or Dependent? If you entered a dependent it would have automatically switched you to Head of Household if you qualify. Go back to My Info and check all your answers for your dependent.
You need to be Single or file as Married filing Separate and have a qualifying dependent. If you are married you need to live apart from your spouse for the last 6 months of the year.
Do you qualify for Head of Household?
https://ttlc.intuit.com/community/family/help/do-i-qualify-for-head-of-household/00/25539
Who is a qualifying person for Head of Household?
https://ttlc.intuit.com/community/family/help/what-is-a-qualifying-person-for-head-of-household/00/2...
This answer has been verified for accuracy by an Intuit expert employee
