4) Rename the "php.ini-recommended" file to "php.ini" in the "PHP" folder.

Single click on the filename "php.ini-recommended" (A) inside the "PHP" folder, select "-recommended" (B), and press the [Delete] key to delete the selected letters so that the file will be renamed...

to "php.ini" (C).

(Note: An alternative to single clicking the "php-ini-recommended" file, you can right click the file (A) and select "Rename" to rename the file to "php.ini".)

You may need to press the [Esc] key on the keyboard after deleting "-recommended" to complete the file name change.

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To get PHP up and running in the first place, we will be using this php.ini "as is" without any modifications since it is the recommended, secure,  php.ini version.)

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Previous Step: Copy all the needed files from the "C:\php-4.4.1-win32" folder (and two sub-folders) into the "C:\PHP" folder

Next Step    : 5) Add "C:\PHP" to the Windows Path Environment Variable