Remote Server Administration Tools for Windows 8 can be downloaded from Microsoft page: http://www.microsoft.com/en-us/download/details.aspx?id=28972
Windows Update Standalone Installer
Installer encountered an error: 0x80070003
The system cannot find the path specified.
The error was due to the file was placed on shared drive. You’ll have to copy it to a local drive and then it should install without any problems.
Afterwards to active go to Control Panel – Programs and Features – Turn Windows features on or off – Remote Server Administration Tools