If you happen to be using Windows 8 and up, here's how to get to it:
The newer Microsoft SQL Server Configuration Manager is a snap-in
for the Microsoft Management Console program.
It is not a stand-alone program as used in the previous versions of
Microsoft Windows operating systems.
SQL Server Configuration Manager doesn’t appear as an application when
running Windows 8.
To open SQL Server Configuration Manager, in the Search charm, under
Apps, type:
SQLServerManager15.msc for [SQL Server 2019] or
SQLServerManager14.msc for [SQL Server 2017] or
SQLServerManager13.msc for [SQL Server 2016] or
SQLServerManager12.msc for [SQL Server 2014] or
SQLServerManager11.msc for [SQL Server 2012] or
SQLServerManager10.msc for [SQL Server 2008], and then press Enter.