[{ALLOW view All}] [{ALLOW edit Markus}] Follow the steps under [DirectX For Developers|http://msdn.microsoft.com/directx/].\\ Especially install also the Windows SDK. This installs the additional platforms mentioned in this [blog|http://blogs.msdn.com/b/vcblog/archive/2010/03/02/visual-studio-2010-c-project-upgrade-guide.aspx] under item 2. As of 25th May 2010: [Latest DirectX SDK|http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=2c7da5fb-ffbb-4af6-8c66-651cbd28ca15] !Library Errors You can set the directories either in \\ a) Project-Properties\\ b) Property-Manager If you have a missing lib, check \\ a) Verweisverzeichnisse __and__\\ b) Bibliotheksverzeichnisse If an environbment variable is wrong, check\\ {{{ C:\Program Files (x86)\Microsoft Visual Studio 10.0\Common7\Tools\vsvars32.bat C:\Program Files (x86)\Microsoft Visual Studio 10.0\Common7\Tools\VCVarsQueryRegistry.bat }}} Here you can see that some settings come from the registry, for example {{{ $(WindowsSdkDir) => HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MicrosoftSDKs\Windows\v7.1\ }}}