Fusion 360 updates roughly every month. An unofficial portable version will quickly become obsolete, causing file compatibility issues with your cloud storage.

Requires a constant, stable internet connection and may have slight performance lag compared to the desktop version. 2. Laptop with Offline Mode

Autodesk Fusion 360 Portable: Can You Really Run It Anywhere?

Works on Chromebooks, tablets, or any computer where you can't install software.