Use the Tools > Settings > General page to change the following options:
In the "Operating Systems Supported" section you can choose the operating systems that you want to support. If an operating system is disabled it will not be listed in the driver repository table column titles or as an available operating system in the printer’s "Driver/Profile" tab.
Specify a workstation to be the cache manager. See Managing Caching for more information.
Use the protocol settings to determine the protocol to use when accessing the Printer Installer Administrator or Printer Installer Portal pages. To change the settings to require Printer Installer Administrator to use https, you must first change the URL in the browser to https://YourPrinterInstallerURL/admin and the option will then be available.