While there is no official standalone "portable" version of Autodesk Fusion that can be installed on a USB drive, you can achieve portability through two primary methods: the official web browser version built-in offline mode 1. Official Browser Access (True Portability)
For the best experience in , use the Web Browser version for quick edits on the go, and keep a standard installation on an External SSD for heavy-duty engineering tasks. autodesk fusion 360 portable updated
If you have Fusion installed but need to work without internet, you can use Offline Mode to cache files on your local device. How to Cache While there is no official standalone "portable" version