Microsoft licenses it for development, testing, and demo purposes. There is no time bomb, expiration, or feature reduction. It only becomes illegal if you use it to serve production data (e.g., live website, ERP system, customer database).
: Specify where you want the ISO saved and click Download . SQL Server 2019 Developer Edition: Review Microsoft SQL Server downloads download sql server 2019 developer iso
If you want to access the direct download link, you can try the following: Microsoft licenses it for development, testing, and demo
You can grab the ISO directly from the Microsoft Visual Studio Subscriptions portal. Note that this requires a free "Visual Studio Dev Essentials" account to access the direct file links. Microsoft licenses it for development