In theory, it can all be done right in the store where you buy the MB. One of my daughters worked in Wandering Oaken's Trading Post at Hollywood Studios last summer and activated 100's of the Frozen "limited edition" MB's right there at the point of sale. Once activated, the new retail MB is an exact copy of any other MB connected to your name on the My Disney Experience site, and can be used interchangeably with those other MB's. That said, there are a lot of CM's who don't posses the needed training or skills to properly activate the MB's and you can have problems which will require a vi