If you search Google for "Office 2019 ISO," you will find hundreds of sketchy websites offering cracked or pre-activated versions. Do not download these. They are a primary source of ransomware, keyloggers, and cryptominers.
office-2019-iso-official-download Introduction office 2019 iso
Where to Find the Official Office 2019 ISO (And Why You Should Avoid Random Downloads) If you search Google for "Office 2019 ISO,"