This requires a much more modern version of macOS, typically the three most recent versions. 3. Alternative: Use Microsoft 365 Online (Free)
These generally require at least macOS 10.10 (Yosemite) or 10.13 (High Sierra) to function. download microsoft office for mac os x 10.7 5
If you don't want to track down an old installer, the most reliable "modern" way to use Office on an old Mac is through your web browser. OSX 10.7 with Old Version of Microsoft Office This requires a much more modern version of