If you’ve subscribed to the newsletter after purchasing an instrument, you should be notified each time a new update for your plugin is out.

The most recent versions of the plugins can be found here.

In most cases, all you need to do is to download the latest installer from the website linked above. I try to avoid forcing users to re-download the sample pool each time the plugin is updated. So, if you weren’t notified to re-download the samples, there’s no need to do so.