Get your taxes done using TurboTax

Turbo Tax can help you fill out the W4. You can just type w-4 or W4 in the search box at the top of your return , click on Find. Then Click on Jump To w-4

Or go to
Federal Taxes Tab or Personal (for H&B version)
Other Tax Situations
Other Tax Forms
Form W-4 and Estimated Taxes - Click the Start or Update button