https://pp.userapi.com/c841634/v841634414/cea7/USK27Xoq-Lg.jpg
If you want to put the upcoming HD models of tanks from 9.20 in the current client, here you can download the model pack (size: 317 MB):
Google Drive: https://vk.cc/6WkVnD
Yandex: https://yadi.sk/d/rqfI1Jut3LZEmA
DropMeFiles: http://dropmefiles.com/SQdUN
How to install?
Download, unzip the file and put it in the game folder, accept the merging of files if necessary.