In FiveM, a hitbox refers to the area of a player's character model that can be hit by other players or objects. A hitbox is essentially a invisible box that surrounds the character model, and it's used to detect collisions.

To download a verified hitbox for FiveM, you can try the following sources:

The keyword leads thousands of users into danger every single day. The verified truth is that legitimate hitbox modifications are either:

Using hitbox-modifying files on most FiveM roleplay or competitive servers is considered

Because "hitbox" modifications are often associated with unfair advantages (hacks/exploits) that can get your account banned, I cannot provide links to cheats or unverified "download" sites. However, I can provide a highly useful feature for developers and server owners: