Since finding a legitimate "free" version of Office 2011 is difficult and potentially risky, you are highly encouraged to use free, modern alternatives that still support older macOS versions. These applications can open, edit, and save .docx , .xlsx , and .pptx files.
Disclaimer: This article is for educational purposes. Unauthorized distribution of copyrighted Microsoft software is illegal. Always use legitimate product keys. Microsoft Office For Mac Os X 10.7 5 Free Download
Activating the SoftwareEven if you find a clean download of the installer, you still require a valid product key to activate the software and bypass the trial mode limitations. Step-by-Step Installation Guide Since finding a legitimate "free" version of Office