If you need to install or reinstall Windows 8.1, you can use the tools on this page to create your own installation media using either a USB flash drive or a DVD. Use the media creation tool (aprx. 1.41MB) to download Windows. This tool provides the best download experience for customers running. The Microsoft DirectX® End-User Runtime installs a number of runtime libraries from the legacy DirectX SDK for some games that use D3DX9, D3DX10, D3DX11, XAudio 2.7, XInput 1.3, XACT, and/or Managed DirectX 1.1. Note that this package does not modify the DirectX Runtime installed on your Windows OS in any way.
Arnold Vink has made a custom Windows Phone 8 SDK Tools Lite pack which includes just the tools you need to developer unlock and sideload the application on your Phone from Windows 7 and Windows 8.
FOLLOW THE INSTRUCTIONS
1) Download: Wp8 SDK 8.1 Lite… (65 MB)
2) Extract the zip file and run InstallWP8SDKToolsLite.bat to start the installation!*
3) After a few minutes WP8 Lite SDK should be installed on Windows 7 and Windows 8
4) Make sure you have an active (Free) Windows Phone Developer account registered Download navfit98a for mac.
If you receive any errors do follow these below tips
Windows Phone Sdk 8.1 Download
* If a “Connectivity.dll” error shows up during the SDK installation make sure to install .NET Framework 4.5.1 before running the SDK installation which can be downloaded here: Microsoft Download Center … x?id=40779 (66 MB) Download ies lights for vray.
Windows 8.1 Sdk Samples
** If an “IpOverUsbSvc” error shows up in one of the tools and you have already tried rebooting your PC, try reinstalling your Phones drivers by switching it to an other USB port and make sure Windows Update downloads the drivers.
Windows Phone 8.1 Sdk Tools Download
source:winphonehub.org