IRS Form 1040 - Tax Return Main MenuDesktop · Written guide Content date August 25, 20261 min read 1040 Main MenuPersonal Information MenuIncome MenuAdjustments MenuDeductions MenuTax Computation MenuCredits MenuOther Taxes MenuPayments, Estimates, EIC MenuMiscellaneous Forms MenuState ReturnView ResultsMark Return ElectronicPreparer Due DiligenceDiagnostic Errors and Diagnostic Warnings