Spotifly To install: - right click on Solution > Restore NuGet packages - Enter to NugetPackages window > Updates > Update all - At just below the top of the Visual Studio window click start and enjoy! If you still can't build because there are errors: - right click on Solution > Restore NuGet packages - right click on Solution > Clean Solution - right click on Solution > Build Solution - Close Visual Studio and re-open. - Rebuild solution. If these steps don't resolve your issue try repeating the steps a second time.