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 his/her own support
• she didn't file a joint return unless there was no tax liability but merely filing jointly to facilitate refund of taxes withheld or estimates paid
she'll need to file her own 1040 if she wants to get back any federal withholding (box 2 of w2),
if there's a state income tax then filing requirements are usually different.
with desktop both yours and her return can be done and efiled
with online she'll need her own a/c using a unique user ID but you can use your email address.
with online -
