Deductions & credits

While inside the software and working on your return, type foreign income in the Search at the top of the screen (you may see a magnifying glass there).  There will be a popup that says Jump to foreign income.  Select that to get to the general area.

Also, please see the following IRS link about Aliens and income tax reporting https://www.irs.gov/individuals/international-taxpayers/aliens-which-form-to-file