I don't work at all right now. So I thought I wouldn't have to pay for taxes. But then I got this 1098-T form from my college a month ago. So now I'm confused. Can I/Do I still have to file for tax without any W2 form from jobs? The only document I have is that 1098-T.
If you have no income, and if you did not receive any taxable scholarships or tuition reduction, you are not required to file a tax return.
If your parents or someone else claims you as a dependent on their taxes, you should give this form to them. They may be able to use it to get a reduction on their taxes.
If there is no one that will claim you as a dependent, it is sometimes possible to claim the American Opportunity Tax Credit (AOTC) and get a refund even if you don't pay any tax. See the IRS page on the AOTC for details.