procedure OnSerialEditChange(Sender: TObject);
var
  CanContinue: Boolean;
begin
  // the GetSerialNumber defined there returns you the serial number string
  // built from each edit Box delimited by the char passed as a parameter
  CanContinue := GetSerialNumber('-') = '62FFU-GA4N8-T8N6W-WLQJW-N6WLQ-AJKD6';
  WizardForm.NextButton.Enabled := CanContinue;
end;

但请注意,将序列号存储为常量并不是一个好习惯.您应该考虑使用其他方式来验证您的产品.