>Go to http://dd-wrt.com/dd-wrtv2/downloads.php , follow the Stable...v23 SP2 links then choose the version you want.
>
>Be sure to carefully read and follow the installation instructions for the make, model and revision of router you have. For example, some models recommend or require that you install the mini version first, then install the standard (or whatever final version you want) later.

Thanks