Get the latest IRS Form W-4 from the IRS website or your employer
Enter your full name, address, Social Security number, and filing status
Complete Step 2 if you have multiple jobs or your spouse works
Complete Step 3 if you have dependents and qualify for the child tax credit or other dependents credit
Complete Step 4 if you want to adjust for other income, deductions, or extra withholding
Sign and date the form
Submit the completed W-4 to your employer
Update your W-4 anytime your tax situation changes