The average CERN user already does not use Windows or any MS products. All research infra is Linux (Cern Linux, a CentOS derivative), and apart from a stray Macbook, I've never seen anyone use anything but Linux.
Windows was for a few desktops, administrative staff and optionally email (some Exchange or OWA stuff or sth).
Windows was for a few desktops, administrative staff and optionally email (some Exchange or OWA stuff or sth).