Please refrain from using bad language in the chat.
1- Type comment, 2- Type a name, 3- Put a any email (can be fake), 4- Click the checkbox that says "I'd rather post as guest," 5- Wait for comment approval.
Remember!:
Guest users have a gray colored name and default pear picture, their comments also have to be verfied by admins to show in the chat.
Registered users have a blue colored name.