Am I Head of Household?

https://ttlc.intuit.com/questions/1894553-do-i-qualify-for-head-of-household

https://ttlc.intuit.com/questions/2900097-what-is-a-qualifying-person-for-head-of-household

If you qualify as Head of Household, when you enter your filing status (single or married filing separately) into Personal Info, and then enter your qualifying dependent, TurboTax will offer HOH as your filing status.

Under My Info.  If you are filing Single or MFS then when you enter a qualifying child it should automatically switch to Head of Household .

Here's a FAQ 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...