Absolutely not. Office 2019 requires macOS 10.13 or higher. The installer will reject your operating system immediately.
This version is also compatible with OS X 10.7.5, though it may lack some newer features found in the 2011 edition. Apple Support Community Note on "Free" Downloads: Microsoft Office For Mac Os X 10.7 5 Free Download
Check your "Applications" folder or the Mac App Store. 🛠️ How to Find Older Versions Review: The Reality of Running Microsoft Office on
Avoid websites claiming “free download for Mac OS X 10.7.5” – they are likely scams or contain malware. Microsoft never offered Office for free for that OS version. This version is also compatible with OS X 10
Running an unpatched version of Office on an unpatched operating system (Apple stopped updating 10.7.5 years ago) creates a massive security hole. Documents are a primary vector for malware transmission. Opening a .doc file sent to you via email using an 11-year-old version of Word is a significant risk for your personal data.