Go to the website: apachefriends.org
Download and install XAMPP on your system.
Open the XAMPP Control Panel.
Start both Apache and MySQL.
Go to the htdocs folder in your XAMPP installation.
Create a file named info.php and write this code:
<?php phpinfo(); ?>
Open browser and go to: http://localhost/info.php
If PHP is working, you'll see the PHP information page.
Location: C:\xampp\php\php.ini
Open this file using Notepad or any text editor.
You can adjust things like:
upload_max_filesize = 10Mpost_max_size = 12Mdisplay_errors = OnAfter making changes, save the file and restart Apache.
Save your PHP files inside the htdocs folder.
For example, if you save hello.php, you can open it in the browser like this:
http://localhost/hello.php
Path: C:\xampp\htdocs\xyz
localhost/xyz