Later this year, Apple is expected to introduce a new replacement for 10.14 Mojave, Sierra will be the third oldest version and will cease to be supported. SCSCF software support charges will be canceled automatically as of Novem. Additionally, computers identified as security risks may be blocked from the CMU network by the Information Security Office (ISO).
Please note: if you choose not to upgrade your computer, it will not receive security patches or functionality updates and our ability to troubleshoot issues will be limited.