The instructions were super simple to follow and it is super user friendly in general. I really like the digital control panel and how it’s super easy to read. All you really have to do is fill it with salt and water and it lasts all night. It’s virtually silent when running especially in the lowest setting. It has three settings and even in the other two settings it’s still very quiet. We mainly use it in our bedroom since our large dog sleeps with us and it does an amazing job! You would never know we had a dog plus the air purifier makes the air smell crisp and clean… love it!