Stefan_Janosevic :
http://www.microsoft.com/en-us/download/details.aspx?id=17431
DX 11 download link for Windows 7. (If it is alredy installed it will say that while you try to install)
i downloaded it ... its a rar file contains a powerpoint file and a (.wma) file, what is this extension??? would it rly work on win 7?