How To Install -

On PC | Mac OSX - Go to wherever you installed your Nexus Content Folder Location : ( Nexus Content > Presets > ) 
- Drag & Drop the folder titled 'JJ - XP Vol 1' into the location above.
- Open a new instance of Nexus2 in your DAW, you should now see your new expansion!

PC 2nd Way If 1st Way Doesn't Work - If that for whatever reason does not work, go to the following location : ( My Computer > Local Disc (C:) > Users > "YourUserName" > AppData > Local > VirtualStore > Program Files (x86) > VstPlugins > Nexus Content > Presets > )
- Drag & Drop the folder titled 'JJ - XP Vol 1' into the location above.
- Open a new instance of Nexus2 in your DAW, you should now see your new expansion!