I can't give brakes they go to the floor what kinda problem

More then likely this is the master cylinder. Here are the master cylinder installation instruction you have requested. Here is a guide to help you step by step with instructions in the diagrams below to show you how on your car.

https://youtu.be/WDxvEQrMkBg

and

https://youtu.be/w7gUsj2us0U

and

https://www.2carpros.com/articles/how-to-replace-a-brake-master-cylinder

Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.

Below you will find the process on how to replace this from the manual. Please run through this material and let us know what questions you have.

Thanks