This video provides a comprehensive walkthrough of how to change your username and display name on X (formerly Twitter). The tutorial is applicable to both mobile and desktop users, detailing every step from accessing settings, locating account information, verifying your identity, to successfully completing the changes. It serves as a concise and practical guide for users looking to update their personal brand identity, correct spelling errors, or reposition their account's image. The entire process requires no complex technical skills, just following the correct menu path to make quick modifications, making it especially suitable for first-time X users or those unfamiliar with the platform's settings. The video also highlights the subtle differences in the operational paths between mobile and desktop interfaces, helping users quickly find the right settings entry point based on their device and avoid confusion caused by interface variations.