Right-click NDP45-DevPack.exe and select Run as Administrator .
If you are using , you should not download the old NDP45-DevPack.exe. Instead: microsoft .net framework 4.5 developer pack download
Microsoft's EULA must be accepted to proceed. Right-click NDP45-DevPack
The core execution engine required to run 4.5-based apps. microsoft .net framework 4.5 developer pack download
: Windows 7 SP1, Windows 8, Windows 8.1, or various Windows Server versions (2008 R2 SP1 through 2012 R2). : 1 GHz or faster. : Minimum 512 MB. Disk Space : Approximately 850 MB (x86) to 2 GB (x64).