New update for SQL Server Data Tools.
You can do one of the following:
- For Download and Install go to: http://go.microsoft.com/fwlink/?LinkID=320745
- For Administrative Install Point, when you are going to install from a place without internet connection: http://go.microsoft.com/fwlink/?LinkID=320745&clcid=0x409
Then run the following command with administrative privileges (CMD run as administrator)
SSDTSetup.exe /layout <destination>
After the install point is created, run SSDTSetup.exe from <destination> with no arguments.