If the computer is managed by ITCS: Submit a ticket: https://sharedservices.berkeley.edu/it/(link is external)
If the computer is managed by your department IT: Submit a ticket directly to them
If you do not have campus IT support you can download the software here: https://software.berkeley.edu(link is external)
Is it a personal computer? Yes, then you can download the software here: https://software.berkeley.edu