Well, if it's for your personal use, you can do whatever you want with it.
As for uploading it later, there is a statement in readme file that addresses that
quote:
This mod may be freely distributed as long as you don't modify, add or delete any files included.
The speech file is an exception since it is not mine. The author of it is Nyx from Twin Galaxies and you need to ask him if you want to use or modify it.