Learn how to assume IAM roles for accessing S3 buckets in AWS, enhancing your access management strategy. Explore the process of creating and assigning IAM roles, attaching policies, and testing role assumption for a test user. Gain practical knowledge on implementing fine-grained access control, maintaining security, and ensuring compliance within your AWS environment. Master the steps to navigate the IAM console, select appropriate roles, assume them through various methods, and verify access to designated S3 buckets using temporary credentials. Discover best practices for securely managing IAM roles and controlling access to sensitive AWS resources throughout this comprehensive tutorial.