How to install for FREE SQL Server SSAS, SSIS, SSRS using Visual Studio 2019

The process for installing SSAS, SSIS and SSRS into Visual Studio 2019 has changed. More below: My SQL Server Udemy courses are: 70-461, 70-761 Querying Microsoft SQL Server with T-SQL: 98-364: Database Fundamentals (Microsoft SQL Server): 70-462 SQL Server Database Administration (DBA): Microsoft SQL Server Reporting Services (SSRS): SQL Server Integration Services (SSIS): SQL Server Analysis Services (SSAS): Microsoft Power Pivot (Excel) and SSAS (Tabular DAX model): ---- Visual Studio has been the host for SSAS, SSIS and SSRS for many years. In versions up to Visual Studio 2017, the way to install this would be install Visual Studio and then SSDT (SQL Server Data Tools). However, in Visual Studio 2019, the procedure is di