Prerequisites

• Windows 11 operating system
• Administrative privileges on your computer
• Stable internet connection
• At least 100MB of free disk space

Installation

1. Visit the official PHP website: https://windows.php.net/download#php-7.4
2. Download the PHP 7.4 ZIP package for Windows (x64 Thread Safe)
3. Create a new folder in C:\ drive named 'php'
4. Extract the contents of the downloaded ZIP file into C:\php
5. Rename the file 'php.ini-development' to 'php.ini'
6. Open the 'php.ini' file with a text editor and uncomment the following extensions by removing the semicolon:
   • extension=curl
   • extension=mbstring
   • extension=openssl
7. Add C:\php to your system's PATH environment variable
8. Restart your computer to apply the changes

Verification

1. Open Command Prompt
2. Type 'php -v' and press Enter
3. You should see output similar to:

   PHP 7.4.x (cli) (built: Month Day Year) ( ... )
   Copyright (c) The PHP Group
   Zend Engine v3.4.0, Copyright (c) Zend Technologies
                   

4. To verify PHP is working correctly, create a file named 'test.php' with the following content:

   <?php
   phpinfo();
   ?>
                   

5. Save the file and run it using the command: 'php test.php'
6. If PHP is installed correctly, you should see detailed information about your PHP configuration