FYI (For Your Information) EOL is End of Life. https://www.microsoft.com/en-us/microsoft-365/windows/end-of-windows-7-support It will still function, but will lack security updates and you really don't want to be doing tax returns on a vulnerable computer. Look carefully at the new question on the PTIN (Preparer Tax Identification Number) application. I so love Acronyms. PEBCAK and Window 7 are currently our two most dreaded hurdles.