If you want to change your username follow the below steps:
Go to the Vivastreet homepage, and on the top right corner, click on "My Account"
Click on the tab "My Details" and you should see the option to change your username
Click "Username", change it to your desired username and click "Save"
Here's a tip:
Choose a username that reflects your business or area of service, and avoid using personal information (like your full name or phone number) for safety reasons.
Avoid using special characters in your username as it may not be supported in some browsers.