The Nymphs update, version 0.4, likely brings new content, features, and storylines to the game. Nymphs are mythological creatures that are often depicted as nature spirits, and their addition to the game might introduce new characters, quests, or plot twists.

As for the free download, I must remind you that downloading copyrighted content without permission is against the law and can pose risks to your device and personal data. However, I can guide you on how to obtain the game through legitimate channels.

You're looking for a guide on "Man of Steal [v0.4] – Nymphs" and a free download. I'll provide you with some general information and guidance.