There's a running joke among RPG players that this is part of the game everyone spends the most time on. Modern video games have made this even more of a distraction with the option to customize almost every feature of a character, and Baldur's Gate 3 has followed suit in the spirit of Dungeons & Dragons-based games.
Baldur's Gate 3: Character Creation Guide - UI Explained
The character creation process in Baldur's Gate 3 is meant to be customizable. Use this guide to find your way around it.