thank you basar for your answer, the problem is that when i backup i loose all the russian languages that are lost in csv...
it becomes hard to rewrite everything..

another problem i descovered is that i am not able to make a subdomain, i main i am ebale to do subdomain.mydomain.xx with "redirect" but my provider doesn't make a dns on the same server. that what they said. I should have redirect to another store like i must to recopy all the datas in another folder.
if not i must to buy a private server.
why is so difficult? in prestashop i saw is just automatically no need to create any subdomains or other complications...

thank you