Don't wince. This required tax form controls how much tax will be withheld from your paychecks and affects your take-home pay. Form W-4 is your friend and it's not difficult to fill out.

But in 2020, for the first time in more than three decades, the IRS has given its W-4 form -- which determines how much federal income tax is withheld from your paycheck -- a makeover. The agency ...

The W-4 helps your employer figure out how much money to keep from what you earn. That money is set aside for federal income, Social Security along with state and local income taxes.