To install Fusion as a student, you must first create an Autodesk student account. The instructions on how to do that can be found here. Please ensure to use your university email address (ending with arts.ac.uk) for creating your account and please use UAL Camberwell or UAL High Holborne credentials to fill out the university details.
After you have created your autodesk account, you will then need to verify that you are a student. Make sure you have your University ID with you for this process. Instrucitons on what needs to be done can be found here or by following through the instructions from the previous step.
Once Autodesk has verified your status as a student, you will be will be able to download Fusion. You can do that by going into this link, click select under Fusion and then click on install. This will download the installer for Fusion in your Downloads folder. To complete the installation, run the installer.