There is a list of step by step actionable items at the end.
Learning UX Design:

1. User Flow
2. User Research
3. Terms and Principles

Learning UI Design:

UX Planet is a platform or publication dedicated to user experience (UX) design, usability, and interaction design. Readers can find articles on UX research methods, design principles, and UX/UI trends. Additionally, they can learn about user-centered design practices, usability testing techniques, and creating engaging digital experiences.

UX Planet

First step to becoming a self-taught UX/UI designer is getting familiar with the basics of UI and UX design. Learn typography basics like serif vs. sans serif fonts, font pairings, line height, letter spacing, etc. Take note of how colors make you feel on websites and apps you visit.

First step to becoming a self-taught UX/UI designer.