If you want to find the right tool for your project, let me know: What are you building or editing?
Adobe never released a portable version of Dreamweaver. These are created by third parties (often "appz" groups). Adobe Dreamweaver Cs3 Portable Google Drive UPD
Dreamweaver CS3 was built before the era of responsive web design. It lacks native support for modern layouts like CSS Flexbox, CSS Grid, HTML5 semantic tags, and modern JavaScript frameworks (React, Vue, etc.). Using it today means building outdated, insecure websites. Safe and Free Alternatives to Dreamweaver CS3 If you want to find the right tool
Standard search engines often remove links to copyrighted software. You need to search in specialized places: HTML5 semantic tags