How to install Zend optimizer on Windows
1. To ensure that your PHP installation is compatible with the Zend Optimizer, it is recommended to use the Windows packages posted in the Zend Store which are compiled in non-debug mode The Zend Optimizer works only with non-debug PHP binaries.
2. The Zend Optimizer for Windows package is a self-extracting installer. Simply run the package file, and follow the installation instructions.
3. If you are running a server module (e.g.ISAPI), restart your server. For Microsoft IIS, run net stop iisadmin, and then net start w3svc, from a command line console.
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