PC-HELP.CZ

ahojte potrebujem poradit mam world of tanks cez steam potrebujem ho aktualizovat ale ked dám aktualizovat tak vobec nič nesahuje iba ukazuje dobu stahovania a tá stúpa 1 hodina .... 2hodiny ale nestiahne žiadne MB

I think you can not update a Game Center or launcher installation through Steam and vice versa. Though, I strongly advise to ask steam support for a help here.