On Windows, open Command Prompt and type `ipconfig`
On Mac, open System Settings and check Network
On iPhone, go to Settings > Wi-Fi, then tap the connected network
On Android, go to Settings > Network & Internet > Wi-Fi, then tap the connected network
Use a search engine and type `what is my IP`
Visit a website that shows your public IP address
Check your router’s admin page for the public IP address
Use terminal or command line tools like `curl ifconfig.me` or `wget -qO- ifconfig.me`