Use your registered email or your nickname (Name + #Numbers).
Once verified, you will be allowed to set a new password. Follow your organization’s complexity rules (typically: 12+ characters, one uppercase, one number, one symbol). – many PK XD systems enforce password history. pk+xd+reset+password
To reset your password, follow these official steps provided by PK XD Support : Use your registered email or your nickname (Name + #Numbers)