Estimated tax payment can be made with your tax filings, if done by a professional or you can go to An official website of the United States government and pay Federal Taxes or Set up an accoung with the Electronic Fedetal Payment System web site.Most states Department of Revenue or Taxation make to simple for you to set up an account.You should pay in as much taxes you paid in the previous year for the fail safe exemption other wise you need to pay in at least 90% of the current yearu2019s tax liability to avoid an estimated tax payment penalty, which is only 4% per year.