IntroductionIt seems that Microsoft decided to install the SQL Server Management Studio as a separate installation. And, you need to have internet connection to download the software. It is about 825 MB
Start the installation by opening the Setup.exe of SQL Server Developer edition and click on the Install SQL Server Management Tools.
And internet explorer is opened and you can download the SSMS 2016:
Click on the executable and start the installation with Install.
ConclusionA small blogpost about the installation of SSMS 2016, It is now a separate installation.