SQL Server ISO Download Links
2022
https://www.microsoft.com/en-us/evalcenter/download-sql-server-2022
2019
https://www.microsoft.com/en-us/evalcenter/evaluate-sql-server-2019#Get-started
2017
https://www.microsoft.com/en-us/evalcenter/evaluate-sql-server-2017-rtm
2016
https://www.microsoft.com/en-us/evalcenter/evaluate-sql-server-2016