Adobe discontinued CS6 activation servers, but they provide a one-time workaround using a special “response code” for genuine customers. Contact Adobe Support with your proof of purchase — they can supply the necessary file to authorize Encore CS6 permanently.
Unlike Photoshop or Premiere Pro, Adobe never released a "Creative Cloud" version of Encore. The version available to CC subscribers is ** Encore CS6**. Adobe discontinued CS6 activation servers, but they provide