TFS 2015 Update 2 or later
See Microsoft documentation for installation instructions
You can find the plugins on the Visual Studio Marketplace
After installing the above, the machine (or agent process) must be restarted: the above installer adds the utility to the PATH system environment variable, enabling SQL Change Automation to find and execute the SqlCmd utility.
You do not need to install anything, the add-on will automatically install and use the latest version of SQL Change Automation.
If this does not work for you, you can still follow the instructions in Installing PowerShell components