NCF Utility creature pack. There is no need to download this file unless you have an issue with the NCF Utility.
To make use of this pack download NCF Utility and get it from the online store.
The pack is a legacy pack and will not be updated with new creatures. It is a reference to what has existed in the community for along time known as "NCF Megapak".
For full description on what has been improved check the official article.