These are the IRS forms supported for 2017, with links to their instructions. Just click the link to download the instructions for a form. If separate instructions aren't shown for a form, they're part of the form.
Main Forms
f1040 Instr Individual Income Tax Return
f1040A Instr Individual Income Tax Return
f1040ez Instr Tax Return for Single and Joint Filers With No Dependents w Worksheet
Schedules
f1040sa Instr Itemized Deductions
f1040b Instr Interest & Ordinary Dividends
f1040c Instr Profit or Loss From Business (Sole Proprietorship)
f1040cez Net Profit from Business (Sole Proprietorship)
f1040d Instr Capital Gains and Losses
f1040eic Earned Income Credit
F1040es Estimated Tax for Individuals
f1040se Instr Self-Employment Tax
f1040v Payment Voucher
f2106ez Unreimbursed Employee Business Expenses
f4868 Automatic Extension of Time to File Individual Return
f6251 Instr Alternative Minimum Tax
f8829 Instr Expenses for Business Use of Your Home
Worksheets
Instructions for worksheets will be contained in the instructions for the form they apply to.
Form 1040
Alternate Minimum Tax Worksheet
Deduction for Exemptions Worksheet
Social Security Benefits Worksheet
State and Local Income Tax Refund Worksheet
Student Loan Interest Deduction Worksheet
Form 1040-A
Social Security Benefits Worksheet
Student Loan Interest Deduction Worksheet
Form 1040-EZ
Social Security Worksheet
Form 1040 (Schedule A)
Itemized Deductions Worksheet
Sales Tax Deduction Worksheet