1098-T is the form which show how much tuition you paid is deductable from your income tax for educational deduction.
You can get a tax preparation software to do your tax and it will help you to determine if you are qualify for hope credit or life time learning credit. The qualification is base on your income and tax status. If your anual income is under $ 21k, then you don't have to worry about any of those since you don't need to pay any tax. But you still need to file a simple tax form.