On Windows, open Command Prompt and type `ipconfig`
On Windows, go to Settings > Network & Internet > Properties
On Mac, go to System Settings > Network and select your connection
On Mac, open Terminal and type `ifconfig`
On Linux, open Terminal and type `ip addr`
On Linux, open Network Settings and check the active connection details
To find your public IP address, search “what is my IP” in a web browser
To find your local IP address, check your network adapter settings
To find your router IP address, look at the Default Gateway in network details