By clicking the "apply to be a moderator for this forum" button. But you have to have more than 30 posts in the forum your applying for and you have to not spam a lot. That includes double posting. And to answer your question... I dont know Ive long forgotten how to do that.
Good bye everyone, it's been fun!
Special thanks to ED_, superman4u, and Cross Stinger
Credit for the Siggy goes to shadow slayer