All the systems have now been received for the World Championships and they can be downloaded by using the following links:
Please note that when revisions are received they are given the same name as the original, but then marked REV1 / REV2 etc so be sure to pick up the most recent version
There is no requirement for the players in the Transnational Teams to pre-register their systems, nor is there any such requirement for players in the Youth events.