Autodesk offers a Fusion mobile app for iPad and Android that serves as a portable companion to the desktop software.
Use the "Cloud Libraries" feature for your CAM tools and assets so they follow your login, not your hardware. Autodesk Fusion 360 Portable
Because Autodesk does not release a portable version, these files are almost always unauthorized "hacked" or "cracked" versions created by third parties. Downloading and running these files poses significant risks: Autodesk offers a Fusion mobile app for iPad
If you’ve spent any time in online CAD forums, torrent sites, or Reddit communities like r/cad and r/3Dprinting, you’ve likely seen the question: “Where can I download Autodesk Fusion 360 Portable?” Autodesk Fusion 360 Portable