/q - Suppresses all UI. An .INI file cannot be specified with this option. /quiet - Same as /q. /qb - Displays minimal UI, ...

/q - Suppresses all UI. An .INI file cannot be specified with this option. /quiet - Same as /q. /qb - Displays minimal UI, showing only progress. /passive - Same as /qb. /uninstall - Uninstalls product. /remove - Same as /uninstall. /f - Repairs all .NET Framework 3.0 components that are installed. /nopatch - Specifies that patches are not applied and bypasses patch checking. /norollback - Specifies that setup is not rolled back if a setup component fails. /norestart - Specifies that the installer does not restart the computer after installation completes. The Redistributable installer returns ERROR_SUCCESS_REBOOT_REQUIRED (3010) if a reboot is required. /lang: - Installs the specified language pack. Language is specified as the three letter acronyms (TLA) for language (e.g. ENU, DEU, JPN ...).  Only one language is supported. Specifying /lang:ENU skips any language pack installation. /? - Displays this list of options.