Downloading "portable" versions from third-party Google Drive links often exposes your computer to malware, spyware, or ransomware bundled with the modified files. System Requirements: Official installations require approximately 2 GB of hard-disk space and cannot be installed on removable flash storage devices. Safe & Modern Alternatives
Adobe never released a portable version of Dreamweaver. These are created by third parties (often "appz" groups). Adobe Dreamweaver Cs3 Portable Google Drive UPD
Mobility: You can carry your entire development environment on a thumb drive. Adobe Dreamweaver Cs3 Portable Google Drive UPD