I'm not sure, that would be the big question. Does the upgrade "see" that you're on a leaked 8.1? Are there any arguments to block the install? Maybe keys? Will there be a complete iso? We have to wait and find out!
i dont see any upgrade on 9385 also no updates on wind updates also on store nothing so i must wait for 26/6 maybe new keys will needed or iso ?? hmm on second PC i have normal 6.2.9200 pro act via kms i will see also on this pc