You can find the Starter Kit on NuGet by running the following command:
dotnet add package Umbraco.TheStarterKit --version 16.0.0-rc
If you are doing development for the Starter Kit, you can launch the Umbraco.SampleSite.Web contained in this repo.
Run the project in Visual Studio or the terminal and the package migrations will run from the source project Umbraco.SampleSite the first time.
If you are going to change the views, you need to zip them back into the package.zip file located in src/Umbraco.SampleSite/Migrations/package.zip
.