[WayBack] SQL Server Downloads | Microsoft
Get started with Microsoft SQL Server downloads. Choose a SQL Server trial, edition, tool, or connector that best meets your data and workload needs.
- SQLServer2017-SSEI-Dev.exe: SQL Server 2017 Developer EXE download
- SQLServer2017-SSEI-Expr.exe: SQL Server 2017 Express EXE download
Downloading offline installers is the same for both: run the .EXE, then choose to download off-line media.
This is much easier than subscribing to Visual Studio Dev Essentials below.
Then depending on the edition, make the choice: