Wife's citizenship application

Good afternoon to everyone

Firstly, I have to thank you all for the effort put in to address immigration related questions here. Thank you so Much

Pls my wife is planning for British citizenship application soon. she will be due next week, she got her ILR on the basis of 10 years resident last year November and it will be 12 month next week.

I will appreciate if someone can help on what to plan/requirement for the application, fee and the link for the application

Thank you