Modification of multistart for World of tanks 0.9.16 will allow you to run multiple game clients on one computer. Also you can one click to set all customers in the Ready state, and a second pressing send all running clients in the fight.

Before you install the modification Multistart make a backup copy of the file WorldOfTanks.exe. You may need it after removing the mod.

To run the game through Worldoftanks.exe and not through the launcher.

Setting
The setting of the control buttons mod can be made in the file

WorldOfTanks\res_mods\0.9.x\scripts\client\mods\MultiStart.xml

You can specify any button of your choice. For editing we recommend you use a text editor Notepad++