The safest way to download the game is through official storefronts. Prices typically range from depending on the bundle: The Binding of Isaac: Rebirth on Steam
The Binding of Isaac: Rebirth is a free-to-play game. Any site offering a "free download" for the full PC version is likely providing a pirated copy, which may carry significant security risks like malware or viruses. The Binding of Isaac: Rebirth Free Download (1....
However, there are legitimate ways to get certain content or the game at a lower cost: Legitimate Free Content The safest way to download the game is