Install PHP on your system
Open a terminal or command prompt
Save your code in a file with a `.php` extension
Write your PHP code inside the file
Run the file using `php filename.php`
Check the output in the terminal
If using a web server, place the file in the server’s document root
Start the web server and open the file in a browser
If needed, use XAMPP, WAMP, MAMP, or LAMP for local development