Be sure that you have the most recent Update of the core rulebook pdf or if you only have a physical copy the errata is here
https://paizo.com/pathfinder/faq
Pathbuilder 2e is an excellent tool for character creation for android, can be used on a PC with something like Bluestacks
Official SRD Info can be found here
https://2e.aonprd.com/
To apply Just give me an idea of what Class/ancestry you are thinking about and feel free to ask any questions you might have. You don't need a fully built character right away, we can work on that together before the gameplay starts