SSMS 22 Preview debuts soon with new features, while SSMS 21.5 update delivers key fixes and performance improvements.

To install the addin unpack files from the most recent release into C:\Program Files (x86)\Microsoft SQL Server Management Studio 18\Common7\IDE\Extensions folder.

About This an extension for SQL Server Management Studio (SSMS). It groups sql objects in Object Explorer (tables, views, etc.) into schema folders.