电脑mac地址查询方法

To find the MAC address of a computer, you can follow these steps:

1. For Windows:
- Open Command Prompt by searching for it in the Start menu.
- In the Command Prompt window, type the following command and press Enter:
```
ipconfig /all
```
- Look for the "Physical Address" under the network adapter you are interested in. This is your MAC address.

2. For Mac:
- Click on the Apple logo in the top-left corner of the screen and select "System Preferences."
- Click on "Network" and then select the network connection you are using from the list on the left.
- Click on the "Advanced" button and go to the "Hardware" tab. Your MAC address will be listed as the "MAC Address."

3. For Linux:
- Open a terminal window.
- Type the following command and press Enter:
```
ifconfig -a
```
- Look for the "HWaddr" or "ether" field under the network adapter you are interested in. This is your MAC address.