This article goes over installing Linux for the first time. I will break it down into 3 parts with a Video Walkthrough. Using this will make it very easy for you to install Linux for the first time.
Latest Ubuntu Desktop LTS – https://www.ubuntu.com/download
RUFUS USB Creator for Windows – https://rufus.ie/en_IE.html
Here is an entire Video playlist that you can choose from depending on where you are in the installation process. This is geared for new Linux users.
https://www.youtube.com/playlist?list=PLc7fktTRMBoz7n-ugZm2Ndi0np_Y4Hh1k
In conclusion, this will get you started with Linux. It is a steep learning curve starting out, but well worth it in the end. After you install Linux for the first time, you will need some time to adjust. I personally did this for my Mother-In-Law and she loves it. She never has to worry about viruses or her computer crashing, which was happening often in Windows, and it was the perfect solution for her.