Recommended Operating Systems: MacOS & Windows IT highly recommends using either macOS or Windows 10 operating systems. Keeping your operating system up to date with the most current upgrades available will allow your system to run at optimal performance and security levels. macOS Apple provides free upgrades to newer operating systems when they become available. Big Sur Apple's newest version of macOS Compatible with these computers: https://support.apple.com/en-us/HT211238 Once you have installed the latest operating system available, keep it up-to-date by enabling automatic updates by following the instructions here . Windows Microsoft's newest operating systems must be purchased before being installed. Windows 10 Microsoft's newest windows operating system Windows 10 is compatible with most PCs Once you have installed the latest operating system available, keep it up-to-date by enabling automatic updates by following the instructions here . Windows 7 Microsoft no longer provides support for Windows 7. If you have any computers that are still running Windows 7, contact IT as soon as possible to be upgraded to Windows 10. If you have a computer that must continue running Windows 7 (for hardware or software compatibility reasons), it must be disconnected from the MLML network and the internet at all times.