to expand on neb's answer:
1. subscribe to the mod on steam, wait for it to download (you may have to launch the game first).
2. right click on the game, select manage -> browse local files
3. open the workshop -> content -> 211820 -> 729801206
211820 is the game id for starbound
729801206 is the workshop UGC id of the mod, (at the end of the url)
5. copy the content.pak file
6. go back to your starbound folder -> go to the win32 folder
7. paste the file
8. click the location bar, type `cmd` and press enter
9. enter the command: `asset_unpacker.exe .\content.pak .\ai-restorer` into the command prompt and press enter, let it do it's thing
10. a new folder called `ai-restorer` should appear in the win32 folder containing the contain the files stored in the content.pak file