Hi Brian. The Epson WF-3820 is compatible with computers running the following Microsoft operating systems: Windows 10, Windows 8, 8.1 (32-bit, 64-bit), Windows 7 (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows XP SP3 (32-bit), Windows XP Professional x64 Edition SP2, and Server 2003 SP27 thru Windows Server 2019. For more information, please visit the official Epson Support website. Regards, Kevin - The Epson Team.