This will help guide you to choose the best course to help set up your computing environment:
New Users at CERN
If you are physically at CERN and registered as a User, Summer Student, or some other CERN-based affiliation.
For short-term visitors and conference attendees: registering your device and connecting to the network.
Accounts to enable remote access to CERN networks and tools if you need work with the CERN computing environment, but will never physically be at CERN.