: The test server is not always online. It typically opens for a few weeks before a major update to test new features like maps, tanks, or balance changes.

Enter the following string: WOT.CT.PRODUCTION@https://wgus-wotct.wargaming.net .

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)