since online preparation and e-filing are closed by Turbotax for 2021 and 2022, you must buy the desktop app - full PC or Mac to do her 2021 and 2022 returns
2021 https://turbotax.intuit.com/personal-taxes/past-years-products/2021/
2022 https://turbotax.intuit.com/personal-taxes/past-years-products
With regard to her return if you are eligible to claim her as a dependent for 2021, 2022 or 2023
regardless of whether you do so or not, her return must indicate for that year she can be claimed as a dependent.
the rules
you can claim her as a qualifying child if all these tests are met
• she has the same principal abode as you for more than ½ the tax year. Temporary absences like for school are ignored
• if she is not a full-time student, she's under 19 at the end of the tax year. If a full-time student, she's under 24 at the end of the tax year.
• she hasn't provided over ½ her own support
• she didn't file a joint return unless there was no tax liability but is merely filing jointly to facilitate the refund of taxes withheld or estimates paid
or you can claim her as a qualifying relative if all these tests are met
• her gross income for 2021 is less than $4,300, 2022 less than $4,400 and 2023 less than $4,700
• you provided over ½ her support
• she isn't a qualifying child of another taxpayer
support
• Includes amounts spent for food, lodging, clothing, education, medical and dental expenses, recreation, transportation and other necessities
