![]() The Network section shows details such as your IP address, the connections allowed by your macOS firewall, the signal strength of nearby Wi-Fi networks, and more.The Software section shows which startup disk (boot volume) your Mac is using.The Memory section shows how much RAM is installed in each internal memory slot.The Hardware section shows your Mac serial number Get Info By clicking an icon and then choosing FileGet Info, you open an important window like the one shown in Figure 2-11.Select items in the sidebar to see information about each item. System Information opens to a system report for your Mac: ![]() You can also use Spotlight to find System Information, or open it from the Utilities folder of your Applications folder. To open System Information directly, press and hold the Option key and choose Apple menu > System Information. MAC addresses are globally assigned to organisations by the Institute of Electrical and Electronics Engineers (IEEE). This opens an overview of your Mac, including your Mac model, processor, memory, serial number, and version of macOS. To see the greater detail provided by the System Information app, click the System Report button. A media access control address (MAC address) is a unique identifier assigned to network interfaces for communications on a computer network.
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