In the vlog "How to Change Your Life in a Year," Aileen Xu outlines actionable steps for significant personal transformation within a year. She emphasizes the importance of setting clear, achievable goals across various areas of life, such as health, relationships, and career. Aileen encourages viewers to break these goals into smaller, manageable steps, creating a roadmap to track progress. Developing daily habits that align with these goals, like journaling, exercise, and mindfulness, is also crucial. Regular reflection is essential; Aileen advises scheduling check-ins to assess progress, celebrate achievements, and adjust goals as necessary. She highlights the importance of surrounding yourself with a supportive community and remaining open to new opportunities. By following these steps, viewers can actively work toward meaningful change, empowering themselves to transform their lives over the course of a year.