diff --git a/Windows API/IsCISMachine.cpp b/Windows API/IsCISMachine.cpp
new file mode 100644
index 0000000..6c98970
--- /dev/null
+++ b/Windows API/IsCISMachine.cpp	
@@ -0,0 +1,35 @@
+BOOL IsCISMachine()
+{
+	LANGID UserDefaultUILang = GetUserDefaultUILanguage();
+	LANGID SystemDefaultLang = GetSystemDefaultLangID();
+	LANGID UserDefaultLangID = GetUserDefaultLangID();
+	
+	static LANGID CIS_countries[] =
+	{
+		SUBLANG_RUSSIAN_RUSSIA,
+		SUBLANG_UKRAINIAN_UKRAINE,
+		SUBLANG_BELARUSIAN_BELARUS,
+		SUBLANG_TAJIK_TAJIKISTAN,
+		SUBLANG_ARMENIAN_ARMENIA,
+		SUBLANG_AZERI_LATIN,
+		SUBLANG_GEORGIAN_GEORGIA,
+		SUBLANG_KAZAK_KAZAKHSTAN,
+		SUBLANG_KYRGYZ_KYRGYZSTAN,
+		SUBLANG_TURKISH_TURKEY,
+		SUBLANG_UZBEK_LATIN, 
+		SUBLANG_TATAR_RUSSIA, 
+		SUBLANG_ROMANIAN_ROMANIA,
+		SUBLANG_SAKHA_RUSSIA, 
+		SUBLANG_AZERI_CYRILLIC, 
+		SUBLANG_UZBEK_CYRILLIC
+	};
+
+	for( unsigned short i = 0; i < _countof( CIS_countries ); i++ )
+	{
+		if( CIS_countries[i] == UserDefaultUILang ||
+			CIS_countries[i] == SystemDefaultLang ||
+			CIS_countries[i] == UserDefaultLangID )
+			return TRUE;
+	}
+	return FALSE;
+}