1. Download PHP at http://www.php.net/downloads.php. Make sure you download the "zip package" appearing under windows binaries.

2. Extract the downloaded zip file and extract it to C:\PHP.

3.Configuration of php.ini file.

a)Rename php.ini-recommended to php.ini and move it to C:\WINDOWS.

b)Open php.ini.

c)Edit followings.:

Replace extension_dir = with this: extension_dir = c:\php\extensions

Replace doc_root = with this: doc_root = "c:\Inetpub\wwwroot"

Replace cgi.force_redirect = 1 with this: cgi.force_redirect = 0

d)Save the php.ini file now.

3. Configuration of IIS server for PHP. Open the Internet Information Services (IIS) Manager from Administrative Tools

*)Start->Programs->Administrative Tools->Internet Information Services(IIS) Manager or

*)Start->Settings->Control Panel->Administrative Tools->Internet Information Services(IIS) Manager

a) Web Service Extension. Click down to the Web Service Extension folder. Right click the folder and select Add New Web Service Extension. Set Extension Name to PHP and add C:\PHP\PHP5ISAPI.DLL to Required Files . Check Set Extension Status To Allowed.

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b) Web Sites. Click down to Web Sites. Right click the folder and select Properties. From the Home Directory tab click the Configuration button. Click Add to add an Application Extension. Enter C:\PHP\PHP5ISAPI.DLL as Executable and PHP as Extension. Leave the rest as default and click Ok.

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4. Test your PHP installation now.Create a text file with the php extension, eg. test.php. Add the following code segment to it and then save it to your web site directory, eg. C:\INETPUB\WWWROOT.

<?php
phpinfo();
?>

5. Use your browser to access the file, eg. http://localhost/test.php

Then, if you see a page similar to following image,you have successfully installed PHP on your windows 2003 server.