EXS 24 Logic Sampler Users Group

Logic Gold Production Kit includes Logic Gold 5 for PC and Logic Gold 6
and of course EXSP24 (the sample player) 
Looking at Emagics support site I can download these updated versions
Logic Gold 6.3.1 for Mac (OS X or classic) and to Logic Gold 5.5.1 for 
Windows at emagics website. 

There is a note that says  Interested Logic 5/6 users can check out 
the great features of the EXS24 mkII by activating the demo period 
using the XSKey authorization window. 

My question is how on Earth do I upgrade EXSP24(the sample player) to 
the full EXS24 Sampler?
Please dont tell my me I have to buy Logic Platimum or Logic Pro 5 & 6

Thanks in advance
Dave