Follow the steps to complete your IRS 1040-NR (SP) online.

1. Click ‘Get Form’ button to obtain the form and open it in the editor.
2. Begin by entering your personal information, including your first name, initial of your middle name, and last name. Make sure to provide your correct identification number as instructed.
3. Fill out your postal address details, including street number and name, apartment number, city, state, and ZIP code, or foreign equivalent if applicable.
4. Indicate your marital status by selecting one of the designated boxes. This includes options like 'Single', 'Married filing separately', and if applicable, 'Qualifying surviving spouse'.
5. List any dependents you may have by entering their first name, last name, identification number, and relationship to you. If you have more than four dependents, follow the instructions provided for additional information.
6. Report your income details by summarizing all relevant fields as highlighted in the income section. This includes W-2 earnings, tips, and any other sources of income related to U.S. employment.
7. Detail any necessary deductions you may claim based on the instructions provided. This could involve entering adjustments to income and either standard or itemized deductions.
8. Proceed to calculate your taxable income by using the provided lines to deduct personal exemptions and special allowances as required.
9. Complete the tax and credits section by entering any credits you are eligible for, as indicated, and calculate your total tax liability.
10. Review your entries thoroughly for accuracy. Once satisfied with the information provided, save your changes, download, print, or share the completed form as necessary.

Complete your IRS 1040-NR (SP) online efficiently and accurately.