Do not try to play this game with a gaijin account from steam

Ive tried to follow gaijin tutorial to link an old gaijin account with a steam account, first of all its outdated, steam client doesnt give you a chance to link them, just loads you into the game with a new account.
After that tried to load manually with my old account, a 2017 account with a lot of played hours, all infantry vehicles up to br 4 and some over and…
IT JUST VANISHED!!!
It looks like my steam account that is using THE SAME EMAIL overwritted my profile
Thanks so much!!
[Removed rulebreaking part]

Hello!

I am sorry that you’re encountering this issue, please stay in touch with Support at https://support.gaijin.net
There isn’t much we can do other than general guidance. Feel free to drop a PM in case you need further assistance! :)

Thanks!