First buy a reloading manual Lee,Hornady,Speer or Sierra they all have how to in the front . Read the how to part.
Here is a web site on how to reload by RCBS
A area to load that you will not be bothered !! I like to lock the door when I load.
You will need a press ,I like the LEE cast iron press for the price .
dies (carbide) I use several brands ,but Lee die's work good and they come with a shell holder
Shell holder if not with dies
powder find a load in a manual
bullets jacketed or hard cast
load tray I use 1 from MTM
a way to dispence powder ,either a powder mesure and scale or a RCBS Little Dandy powder measure ( or another brands ) and bushings and a scale (Lee makes a low priced 1 that I have found to be accurate the Lee Safty Scale)
To check the measure is set right or droping what it says it should
A priming tool ,I use the Lee Auto prime
A set of calibers to check dim. of loaded rnds and case length
A bullet pulling hammer to pull down your misstakes
Look at the RCBS ,Hornady and Lee wed sites for different tools
Kits are a way some go ,but I feel that they sell you stuff not needed ,but they can be a good buy.
IMO start with a single stage press
Learn to load on it before moving to a progressive press.
Take your time
You will mess a few rnds up ,we all do .
Just make sure you fix the mistake before you shoot them
I started reloading 26 years ago with the help of a freinds dad ( I was 14)