Follow the steps to fill out the IRS 1040-SR online:

1. Press the 'Get Form' button to obtain the IRS 1040-SR form and open it in your preferred editor.
2. Select your filing status by checking the appropriate box (single, married filing jointly, married filing separately, head of household, or qualifying widow(er)). Be sure to provide your spouse's name if you are filing jointly.
3. Enter your first name, middle initial, last name, and social security number in the specified fields. If applicable, provide the same information for your spouse.
4. Fill in your address, including your street number and name, city or town, state, and ZIP code. If you have a foreign address, complete the additional fields provided.
5. Indicate if you wish to contribute $3 to the Presidential Election Campaign by checking the corresponding box.
6. Declare any virtual currency transactions during the tax year by checking 'Yes' or 'No'.
7. Complete the dependents section if applicable. Provide names and relationships for any dependents you can claim.
8. Report your total income by filling out the income section. This includes wages, interest, dividends, pensions, social security benefits, capital gains, and any other income sources.
9. Calculate your adjusted gross income by entering any adjustments applicable from the provided schedule.
10. Determine your standard or itemized deductions as required, entering it in the allocated fields.
11. Calculate your taxable income, total tax, and any credits you may be eligible for by following the instructions provided in the corresponding sections.
12. Finally, review your entries, ensure all necessary signatures are provided, and save your changes, download, print, or share your completed IRS 1040-SR form.

Complete your IRS 1040-SR form online to ensure accurate and timely filing of your tax return.