Answer

i can t login, cuz downloaded tanki online are loading too long, i'm allready waiting about a half of hour

Thats due to your slow internet connection, unfortunately nobody else can do anything about it.

Answer
Use flash player, its lower fps and load time but less buggy
https://help.tankionline.com/topics/2347-what-is-standalone-flash-player/
Customer support service by UserEcho
Use flash player, its lower fps and load time but less buggy
https://help.tankionline.com/topics/2347-what-is-standalone-flash-player/