: Progress made on the test server (XP, silver, or gold earned) does not transfer to your main account.
To download the test server, the process depends on whether you are playing the European version (Wargaming) or the Russian version (Lesta Games). For Lesta Games (Mir Tankov)
Enter the specific test server code (usually provided on the official portal during active test periods) and follow the prompts to install the Public Test client.