Find Your Mac OS X Version

The first step in securing your Mac is to know what OS version is installed. Use the following steps to find your Mac OS X version.

1. From the Apple menu, select About This Mac.
2. The version number will appear in the window.

Source for both picture & text(http://www.cmu.edu)

How to find out your Wordpress version

You can see the version of your Wordpress listed on the bottom of every admin page. If because of any reason you can not login in to the admin pages and you are wondering how to find out your wordpress version here is the way. Go to following address(/wp-includes/version.php) in your website root folders and open the version.php with a text editor or something ...

/wp-includes/version.php


contains :

$wp_version = '2.8';
$wp_db_version = 4593;