Ban for multiclient

Hi, I received a ban for multiaccount.I was playing with my sister on other computers.I did not know I could get banned.Can i get my account back?
or for the future how to avoid ban?

I have seen peoples with high-lvl multiaccounts and they didnt get ban.How they do it?

No, you cant. If you are switcing the PC's you shold write a ticket about that(i had same issue 4 years ago).

Is there kind of Multiclient with other ip, that i could play?

Multi Accounts are allowed (at least at german servers).
But if you get banned for Bot using (refering to your other thread) all your other accounts get banned too. Has nothing to do with multiclient

It doesnt matter that im not german? (XD)
On email by support i can see "you used multiaccount with "
I was playing some more times ago at different accounts and allways it was same, i get banned for multiaccount,I didnt used bot then.
Now I received ban for 6 months.

Pumba just wanted to point out that rules might differ depending on where u play. e.g. Multiaccounts are allowed on the german server, but they might not be on the UK server (probably not true, just an example).

If one account breaks the rules and gets banned all other accounts that were online from the same IP in the past will get the same punishment.

Are you sure the reason was the use of multiaccounts?

Im not sure, but i think it is for multiaccount.

No for Hack-Using with Multiaccount

And why i didnt get banned for infinity, just 6 months?
Speed hack and nodelay is easy to detect?
Can someone link or write NostaleDE rules, because cant find it?