An unattended installation is an installation that is performed without user interaction during its progress or with no user present at all.
To perform an unattended installation the default 'program files' installation directory run the following command on the 20-sim installer:
It is possible to set an alternative installation directory by specifying the /D argument. It must be the last parameter used in the command line and must not contain any quotes, even if the path contains spaces. Only absolute paths are supported.
20sim.exe /S /D=D:\My Installation Files\20-sim 4.6