i suggest getting your comp upgraded or get a new 1 if u can..
i have win98,
p3 733mhz
128mb SD RAM
8mb graphics
56k modem
(go ahead laugh all u, getting new comp

)
anyway, i cannot see crystals coz of bad graphics, i can only run window mode, and it laggs like anything...never seen that much lag in the game..ever.
So yeh....hope this helps!