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This section applies to Windows 98/Me and Windows NT/2000/XP/2003. PHP will not work on 16 bit platforms such as Windows 3.1 and sometimes we refer to the supported Windows platforms as Win32.
Windows 98/Me/NT4 is no longer supported as of PHP 5.3.0.
Windows 95 is no longer supported as of PHP 4.3.0.
If you have a development environment such as Microsoft Visual Studio, you can also build PHP from the original source code.
Once you have PHP installed on your Windows system, you may also want to load various extensions for added functionality.