Pick the version you wish and install it as a normal dlcpack.

If you don't know how to;
Place the folder inside mods\update\x64\dlcpacks

Then head over to mods\update\update.rpf\common\data\dlclist.xml
and add this line at the bottom;
<Item>dlcpacks:/ThePalace/</Item>


The Palace NPC Spawner.xml file needs to go at menyooStuff\Spooner .