No — once chosen, your username is permanent and can't be changed. This protects your account from unauthorized access and keeps your experience consistent across the platform.
When you first register, pick a username you're comfortable using long-term — something unique, memorable, and free of personal details.
Other details linked to your profile, like your email, mobile number, address, and language, can still be updated at My Account → Profile → Personal Details. To change identification details like your name, contact Customer Support.