Microsoft Frontpage 2003 Portable 16 Portable ((link)) Here

A modern WYSIWYG editor that supports HTML5 and CSS3.

"What You See Is What You Get" interface for easy visual design. microsoft frontpage 2003 portable 16 portable

If the portable 16MB version doesn't meet your needs, consider these modern, free alternatives that offer a similar experience: A modern WYSIWYG editor that supports HTML5 and CSS3