It supports Windows, Linux, and Docker containers. Prerequisites Before Installation
Go to Control Panel → Programs → Turn Windows features on or off , check the box for .NET Framework 3.5 , and click OK. Windows will download and enable it. download and install sql server 2019 developer edition new
Ensure the Specify a free edition radio button is selected and set to Developer . Click Next . It supports Windows, Linux, and Docker containers
SQL Server 2019 Developer Edition is genuinely free, but the license is not a blank check. According to the official documentation, it is "a fully-featured free edition, licensed for use as a development and test database in a non-production environment". That means you cannot use Developer Edition in production—for live websites, customer-facing applications, or business-critical internal tools. Doing so violates the license and carries legal and financial risks. Ensure the Specify a free edition radio button