Not sure what you mean by the "Special Edition", Tom?
If you got the official upgrade/download email from Graphisoft North America, you'll see that there is a link for additional downloads. That page has BIM Server, BIM Server Manager, and more.
If not - contact your reseller or GS NA.
Cheers,
Karl
One of the forum moderators
AC 28 USA and earlier • macOS Sonoma 14.7.1, MacBook Pro M2 Max 12CPU/30GPU cores, 32GB