Hey there 🙂
We're seeing plenty of new players pick up DiRT Rally 2.0 these days, and if you're one of these here are a few useful threads to get you started on the game:
Below you'll find a list of guides regarding various technical aspects of the game.
Click on each thread for further info.
How to get all DLC content
If you only have the Standard Edition of the game, the Year One Pass is a single DLC purchase that upgrades your game to Game of the Year Edition, and gets you all this: