An online version of filling-out a paper form. Enter each employee's name, social security number, hours worked, wages, and the system calculates the tax due.To complete an enterable form on a computer: Download the Word document to your computer. Open your saved file and select the View tab in the upper left corner. Minnesota employees must complete Form W-4MN to determine Minnesota withholding allowances. All employees must complete the W-4MN unless they have a federal W-4 record from prior to 2020. When does an employee complete Form W-4MN? One piece of paperwork that comes directly from the IRS is the W4 form. All new employees need to fill this out as it is for tax purposes. A federal tax credit for private sector businesses as an incentive to hire workers in groups who consistently experience high rates of unemployment.