To effectively utilize newspaper editorials for UPSC preparation, aspirants should focus on developing critical analysis skills. Start by summarizing key arguments and perspectives presented in the editorials, linking them to current affairs and syllabus topics. Make notes of essential themes, statistics, and expert opinions that can be beneficial for essays and General Studies. It's also important to read editorials from diverse sources to gain multiple viewpoints on issues. Regularly revisiting and discussing these editorials in study groups can deepen understanding and enhance retention of vital information.