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The install

You can either install the plugin using the WordPress auto-installer, or manually:

1. Upload commenting.php and all sub folders to /wp-content/plugins/spec-comments/ or /wp-content/mu-plugins/ directory. If the directory doesn't exist then create it.
2. Activate the plugin through the 'Plugins' menu in WordPress.
3. You should now see an extra menu show up under the settings menu in the main admin sidebar.
4. Check a page on your site with comments and see that everything is as you'd hope. If it's not then proceed to the config menu and see if what you want can be set from there.

The config

1. The first option with this plug-in is the option to define at which point the comments roll up. Default is set so that all replies are hidden behind a click but with the drop down you could specify that replies to replies are hidden or replies to replies of replies and so on...
2. The next block is for controlling the titles that show above the comment block and the trackback block if your theme separates them out.
3. Choose the stylesheet you want to use with your theme. At the moment there are two, the default style for use with light coloured themes and the dark style for use with dark themes. You can also disable the CSS here if you'd rather roll it into your theme's stylesheet. If you add more CSS files with the special CSS comment to the style folder in the plug-in or add a commenting.css to your theme's folder then that'll show up in this list too.
4. The comment update block lets you control the frequency of comment update and whether they're enabled or not. The default status for "Auto update" is off, if you want to enable live commenting then check this box and set a time interval in the box below that is appropriate to your server/traffic levels. The minimum amount of time you can set for the auto update is 10 seconds any attempt to get it quicker than that will result in it returning to the default value of 30 seconds.
5. The final option is to hide our credit link and is one we'd rather you didn't do anything with but we've given you it anyway as we're nice like that. We do understand that sometimes clients want things like that gone we'd just like to ask in return for that is that you think about signing up with us