Sunlari inceleyerek baslayabilirsiniz:

https://codex.wordpress.org/Theme_Development

https://code.tutsplus.com/tutorials/...iles--wp-33939

https://www.siteground.com/tutorials...eate_theme.htm

Surada listelenen egitimler de isinize yarar: https://colorlib.com/wp/how-to-creat...mes-tutorials/