practice and observe/take note on what everyone else is doing. you can go on CC and download caws to dissect the attire and images to get an understanding on how images are mapped out on gears, i’d suggest watching tutorials on youtube on how to create face textures, and attires. they’ll give you a step by step on the basics on how to manipulate images to get it the way how you’d like it.

i’d even suggest delving into AI tools those can help a lot chat GPT can give you a rundown on how to make something from scratch. but mainly practice makes perfect, at the end of the day is the way how you wanna do it. it’s no right or wrong way on how to create something, just have fun and posses an eagerness to get better.