setWizardStyle(QWizard::AeroStyle) will result in a lack of WizardButtons

Setting explicit the WizardStyle to AeroStyle the WizardButtons will not be shown on Windows7/Vista at startup. Manually resize the Wizard reveal the controls.

MyWizard::MyWizard(QWidget *parent)
: QWizard(parent)
{
setWizardStyle(QWizard::AeroStyle);
}