You should be able to find following files here:

TerranBASIC_macOS.x86.app (a directory)
TerranBASIC_macOS.arm.app (a directory)
TerranBASIC_linux.x86.AppImage (an ELF executable)
TerranBASIC_linux.arm.AppImage (an ELF executable)
TerranBASIC_windows.x86.exe (a Windows executable)