Enable Template Path Hints by MageWorld

By enabling Magento Template Path Hints, you can see exactly where the blocks live. And thus you can file the part you need to edit quickly, simply by following the file path. Hope that Magento developers find this tip useful.

First, go to Admin ->System ->Configuration

Then select Main Website from the top-left scope dropdown box

Go to Developer tab section

Expand the Debug panel

Apply Template Path Hints to yes.