The system requirements for Minecraft 1.19 vary depending on the platform. For PC, you need Windows 10, 8, or 7, with at least 4GB RAM and a graphics card that supports OpenGL 4.5 or later. For Mac, you need macOS 10.12 Sierra or later, with at least 4GB RAM and a graphics card that supports Metal. For consoles, you need Xbox One, PlayStation 4, Nintendo Switch, or Xbox Series X/S.