There are many reasons to need to silent install an application. The most relevant is for deploying across a corporate network. This method can be used on the following platforms:
TightVNC comes in MSI installer, but unlike other MSIs, you need to configure TightVNC server. This can be done by deploying a registry backup, but this can be complex. The easiest way would be to do it at the time of deployment.
You can download the installer from here: https://www.tightvnc.com/download.php
Command line:
msiexec /i "tightvnc-2.8.23-gpl-setup-64bit.msi" /quiet /norestart ADDLOCAL="Server" VIEWER_ASSOCIATE_VNC_EXTENSION=1 SERVER_REGISTER_AS_SERVICE=1 SERVER_ADD_FIREWALL_EXCEPTION=1 VIEWER_ADD_FIREWALL_EXCEPTION=1 SERVER_ALLOW_SAS=1 SET_USEVNCAUTHENTICATION=1 VALUE_OF_USEVNCAUTHENTICATION=1 SET_PASSWORD=1 VALUE_OF_PASSWORD=password SET_USECONTROLAUTHENTICATION=1 VALUE_OF_USECONTROLAUTHENTICATION=1 SET_CONTROLPASSWORD=1 VALUE_OF_CONTROLPASSWORD=password