Using a "portable" version—one designed to run from a USB drive without installation—carries significant risks:
Using unauthorized, modified versions of Office 2007 violates the Microsoft Software License Terms , which prohibit republishing or "working around any technical limitations". Safe and Modern Alternatives Microsoft Office 2007 Portable Download
Office 2007 is not officially supported on Windows 11. It may run inconsistently or fail entirely after a Windows update. Using a "portable" version—one designed to run from