Steven Zahm@ Margaret
You can download the update from your purchase history but before you can you must renew your support license. You can do this by clicking on the Renew link under the Licenses tab for cMap.
After you renew your support license you will be able to download the latest version of cMap. To update the old version on your site, simply deactivate and delete it and install the new version.
So your client can receive inadmin updates of cMap you should enter their support license key on the Connections : Settings admin page under the Licenses tab. After you activate the support license key on your client’s site, they will receive update notices and an option to apply updates right on their Plugins admin page like other plugins.
Hope that helps!