Also it is recommended to install Windows Media 9 and K-Lite Codec Pack for the correct work of in-game videos.
It is recommended to install old versions of Microsoft Visual C++ Redistributable for the correct work of the game.
If the installation doesn't start - try to launch Setup.exe in compatibility mode with old version of Windows (Win98, Win2000, XP or Vista).
If the game doesn't work - try to launch the game in compatibility mode with old versions of Windows (Windows 98, ME, 2000 or XP) Right click on Silent Heroes.exe - Properties - Compatibility - Set "Run this app in compatibility mode with Windows 2000 or XP" and "Run as administrator"
Open the game folder and find Silent Heroes.exe.
Also it is recommended to install DirectX 9 (if you're using Windows 10 - enable DirectPlay, read this or this guide how to do it).
Check our Guide and Notes for more details The game has been tested on Windows 7 64-bit and Windows 10, works fine, the game supports widescreen. Russian version of the game was using infamous StarForce DRM that can break your system, so make sure to use NoCD before the first launch of Russian version of the game!