I had that same problem years ago.
Turned out the only way to go back to 98 was to totally reformat the HDD and reinstall from scratch.
Its a bummer but I think it is the only way to do it
(skrýt) Čekáte-li, až budete na tahu, můžete kliknout na "změnit" u řádku "refresh" na hlavní stránce, poté nastavte tuto hodnotu na 30 sekund, aby se stav vašich her obnovoval rychleji. (Servant) (zobrazit všechny tipy)