There may be times when you need to update your Melco software.
For DesignShop v11, Melco OS v11 and Bravo OS v12, download the latest release here.
For all other versions:
When clicking on on Tools > Check for Updates, you will likely receive this message "This software version is not registered on the Agent web site."
You can refer to this article to confirm that you have the latest version installed.