Updated: Jul 18, 2021
We've all had to begin somewhere and when I started playing nearly 40 years ago the internet didn't exist to help.
Find a Local Dungeons & Dragons Group
When you first start playing roleplaying games you need to learn from other players. Critical Role and other streamed "Live" games are fine, but they are edited professional voice actors and that's going to give you an unrealistic expectation of what the game is like to play with normal people.
Learning to play from experienced players is the best way
Joining a local group is the best way for you to learn the basics before you begin investing time and money into the hobby. You will meet people who have been playing for years and can help you get up to speed straight away.
At my Friday night Tabletop Roleplay Group, Dragons Keep Roleplay Club, we are always welcoming to players new to the hobby and will help you to create a character and learn the basic rules. We have experienced Games Masters who have been running Dungeons & Dragons for many years
Google search terms like:
Roleplayers are everywhere and anyone
Even if you live in the back of beyond you will find that there are small groups of players in your town who have been quietly playing their games for years. They will be from all walks of life and all kinds of people. Roleplayers are some of the most diverse hobby groups I've ever come across.
They will advertise spaces on some of the many Roleplaying Forums like
Buy a Starter Set
Dungeons and Dragons has a long history of producing starter boxes which give you a simplified cut down version of the game, a starter adventure and even teach you how to play the game. In fact they contain pretty much everything you need to get yourself up and running with the game.
Most game systems will have multiple starter set entry points. Dungeons and Dragons has at least 3
For younger players there is even a boardgame version of D&D called Adventure Begins which will get you started.