No. It never expires, but Microsoft updates it with each new SQL Server version (2019, 2022, etc.).
They are available on the older releases page or via Visual Studio Subscriptions. Final Tip Always download SQL Server directly from Microsoft (not third-party sites). The installer checks for the latest updates and security patches. sql server download developer edition
Yes, run the Setup again and choose Edition Upgrade . No. It never expires
Topic: SQL Server Developer Edition Download sql server download developer edition