To improve your understanding of complex instructions at work, start by actively listening or reading carefully and breaking the information into smaller, manageable parts. Take notes and identify key points or action items. Don't hesitate to ask clarifying questions if something is unclear. Summarizing the instructions in your own words can also help confirm your understanding. Additionally, using tools like checklists or diagrams may enhance comprehension and retention. Practicing mindfulness and minimizing distractions during instruction delivery can further support your ability to grasp complex information effectively.