Cart Items and Pricing

1. Delete the old Hook from your WHMCS in this directory /includes/hooks
2. Unzip the contents of the zip file to a folder on your computer
3. Upload the entire files in the 'upload' folder to your website - if you experience problems, try uploading in binary mode

IF YOU ARE USING A CUSTOM TEMPLATE YOU HAVE TO MODIFY THE CODE SO IT SUIT YOUR CUSTOM TEMPLATE
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Template Six
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Search for
<!-- Shopping Cart -->
<div class="pull-right nav">
    <a href="cart.php?a=view" class="quick-nav"><i class="fa fa-shopping-cart"></i> <span class="hidden-xs">{$LANG.viewcart} (</span><span id="cartItemCount">{$cartitemcount}</span><span class="hidden-xs">)</span></a>
</div>

Replace it with this code
<!-- Shopping Cart -->
<div class="pull-right nav">
    <a href="cart.php?a=view" class="quick-nav"><i class="fa fa-shopping-cart"></i> <span class="hidden-xs">{$LANG.viewcart} {$totalitems} item(s) - {$totalamount}</span></a>
</div>