LightningForm is a 'Wizard' tool that prompts you to enter the necessary information for completing your IRS 1040 form. You can save your work at any time and return to it later by clicking the 'Save' button. You can create a printable PDF at any time by moving to the end of the Wizard and clicking 'Create Printable PDF'. Remember to sign and date the printed form before sending it to the IRS."