Since Microsoft no longer sells SQL Server 2016 directly through its primary storefront, you must rely on authorized resellers or third-party marketplaces. :
: A common professional strategy is to purchase a license for the current version, SQL Server 2022 , and use "downgrade rights" to run the 2016 version legally. Key Deadlines & Support SQL Server 2016 - Microsoft Lifecycle buy sql 2016
: For high-performance needs, 2-core packs are available, with Standard Edition costing roughly $1,859 per core (often sold in minimum packs of two). Since Microsoft no longer sells SQL Server 2016
