If your confused about WordPress.org and WordPress.com i dont blame you. It can be really confusing for first time users so in this video, ill help clear it up!
Video On How To Install WordPress.org: https://www.youtube.com/watch?v=zUWMW0l6q3c&t=297s
My personal recommendation: I would defenitly go with WordPress.org, its easier, and you have alot more control and customization over your WordPress website.
WordPress tutorials: https://www.youtube.com/c/Darrelwilsonbug/videos
As always, party on.