After you file

the iRS offers some free file programs. https://www.irs.gov/filing/free-file-do-your-federal-taxes-for-free 

 

if you don't have any money, did you make any that would require filing?

see it's instructions charts A,B and C in 1040 instructions

https://www.irs.gov/pub/irs-pdf/i1040gi.pdf