Instructions
Download the full version or demo version of "Zombie Shooter 2" from the official Sigma Team website. Do not attempt to download from any other websites because they could be fake or illegal copies.
Open the setup file and follow the basic installation steps.
Select "English" or "Russian" for the language when it comes up. This applies to the text language for the game.
Complete the installation and then open the "Zombie Shooters 2" game.
Click on the "Options" menu. Select the "Sound FX" sub-menu. Click on the drop-down menu and select the language as either "Russian" or "English." Click "OK" to save your selection and file choices.
Play the game and view the languages. You can adjust both the text and sound languages again in the "Options" menu.