diff --git a/Resources/SteamLanguage/enums.steamd b/Resources/SteamLanguage/enums.steamd
index cc7e6c5b..aad3babf 100644
--- a/Resources/SteamLanguage/enums.steamd
+++ b/Resources/SteamLanguage/enums.steamd
@@ -508,12 +508,16 @@ enum EOSType
 	WinXP = 7;
 	Win2003 = 8;
 	WinVista = 9;
-	Win7 = 10; obsolete "renamed to Windows7"
-	Windows7 = 10;
+	Win7 = 10;
+	Windows7 = 10; obsolete "renamed to Win7"
 	Win2008 = 11;
 	Win2012 = 12;
-	Windows8 = 13;
-	Windows81 = 14;
+	Win8 = 13;
+	Windows8 = 13; obsolete "renamed to Win8"
+	Win81 = 14;
+	Windows81 = 14; obsolete "renamed to Win81"
+	Win2012R2 = 15;
+	Win10 = 16;
 
 	WinMAX = 15;