Install SQL Server 2014/2017/2019 for MU Online
Complete guide to installing modern SQL Server versions (2014, 2017, 2019) for MU Online: when modern SQL is the right choice vs SQL Server 2008 R2, the Express vs Developer vs Standard edition comparison, the full installation walkthrough with the critical Mixed Mode authentication step, why SSMS is now a separate download and how to get it, enabling TCP/IP in Configuration Manager, database compatibility levels for running classic S6 distributions on modern SQL (setting level 100 for SQL 2008 compatibility), creating the MuServer login user with T-SQL, and the most common compatibility problems when migrating a classic distribution from SQL 2008 to SQL 2019.