Just fill out form 1040, the IRS provides instruction booklet on how to fill it out. Both the form and the instructions are available on their website. Then use

Just fill out form 1040, the IRS provides instruction booklet on how to fill it out. Both the form and the instructions are available on their website. Then use software (I reccomend taxhawk, don't overpay for turbotax) and compare the 1040 they generated with your manual 1040. If they match, great. If not, figure out why.