There is no longer a 2018 1040EZ form, For Tax Year 2018, you will no longer use Form 1040A or Form 1040EZ, but instead will use the redesigned Form 1040. Many people will only need to file Form 1040 and no schedules.
https://www.irs.gov/forms-instructions
If you need the 1040EZ form for prior year, go to the following IRS website
https://www.irs.gov/forms-pubs/prior-year
