A step-by-step guide to help you fill out a W-4 Nora Carol Photography / Getty Images IRS Form W-4 dictates how much money is withheld from your gross pay for taxes. Step 1 requires you to input ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Investopedia / Mira Norian Form 1040 is the primary form U.S. taxpayers use to file their ...