The Guide shows you How to Enable Tidy and Other PHP Modules for PHP 5 Release on Windows 8 32bit/64bit.
To the Post Top Guide to Correct PHP 5 IIS 8 Integration Setup.
This Post Show Just the PHP Installation Part but Below you Find Link to Following Steps.
And this Visual Guide includes the Basic Screenshots of All GUI Steps involved.
The content and details are expressly reduced to give Focus only to the Essentials Instructions and Commands and Make the Tut Easier to Understand ;)

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Installing PHP 5.5+ for Windows 8 with IIS Integration.
PHP 5.5.5 for Win8 on IIS 8