Call of duty 4 cracked server how to level up?

To level up on a cracked server in Call of Duty 4, you typically need to join a server that has modified experience points (XP) settings or custom game modes that allow for faster leveling. Engaging in matches, completing objectives, and performing well will earn you XP, which contributes to your level progression. Additionally, some servers may offer XP boosts or double XP events, so keep an eye out for those opportunities. Always ensure you're following the server's rules to avoid penalties or bans.