Free RESOURCES for Series 7

As The title says I'm just looking for resources that are free but also factually accurate. I would just like to get some prep work done/feet wetting before I go in being that I've never taken the test and I ideally would like to pass in my first time , but all things considered just want to feel prepared as I can being that I'll be make self taught or whatever my current financial institution provides for. Thanks for any help and apologies if this isn't formatted the proper way or whatever, is my 1st Reddit post 🤣🤣 bear with me o