We do not have a download file for the latest version (8.1.65.5480), but you can try downloading it from the developer's site
Download version 1.3.1344.32348 from Software Informer
Scanned by 75 antivirus programs on Jan 26, 2024.
The file is clean, see the report.
Version: 1.3.1344.32348 (x86/x64)
Date update: Jun 6, 2014
File name: gmstudio-installer.exe
Size: 163 MB