Making direct payments to the IRS is the way to go as awesome contributor @Nan2C suggests. You can use TurboTax to estimate your payments.
If you just want to avoid the underpayment tax penalty, you can pay 100% of your 2021 tax minus any withholding and credits.
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"
