We do not have a download file for the latest version (12.5.0.6677), but you can try downloading it from the developer's site
Download version 12.0.0.6468 from Software Informer
Scanned by 78 antivirus programs on Aug 5, 2024.
The file is clean, see the report.
Version: 12.0.0.6468 (x86/x64)
Date update: Jul 30, 2022
File name: heidisql_12.0.0.6468_setup.exe
Size: 46.4 MB