If you already downloaded SQL2019-SSEI-Dev.exe :
Looking for the official SQL Server 2019 Developer ISO? This step-by-step guide covers where to find it, why Developer Edition is free, installation tips, and troubleshooting common download issues. download sql server 2019 developer iso
: Scroll down to the "free specialized editions" and click the Download now button under the Developer section. If you already downloaded SQL2019-SSEI-Dev