On Windows, open Command Prompt and type `ipconfig`
Look for the `IPv4 Address` under your Wi-Fi adapter
On Mac, open System Settings > Wi-Fi > Details
Check the `IP Address` field
On iPhone, go to Settings > Wi-Fi
Tap the connected network name and view the `IP Address`
On Android, go to Settings > Network & Internet > Wi-Fi
Tap the connected network and check `IP address`
On Linux, open Terminal and type `ip addr` or `ifconfig`
Look for the address under your wireless interface
On a router, log in to the admin page
Check the connected devices or network status section
On a website, search `what is my IP`
View the public IP address shown by the site