Here's how to complete the form: Step 1: Provide Your Personal Information. Fill out your personal details, including your name, address, Social Security number, and filing status. Step 2: Specify Multiple Jobs or a Working Spouse. Step 3: Claim Dependents. Step 4: Make Additional Adjustments. Step 5: Sign and Date Your W-4.
Employers. Employers are required by law to withhold employment taxes from their employees. Employment taxes include federal income tax withholding and Social Security and Medicare Taxes.