Welcome to FMH. We would be happy to help educate you about our Order, which is the oldest and largest Fraternity in the world.
If you go to the top bar of this forum, you can click on "HOME" which will take you to some great articles that contain an overview about Freemasonry.
In addition, there are numerous sites around the internet that have information, but be careful, there is a lot of misinformation out there as well. I would recommend the home page here and the following site to begin with. And don't be shy about asking questions here as well.
What Is Freemasonry? | FmI – Masonic Traveler