A. The normal method to install a .inf file is to right click on it and select Install from the context menu. However, it's also possible to install from the command line. The syntax is:
C:\> rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 .\<file>.inf
To learn more, visit "Windows Autorun.Inf Vulnerability" and "Q: When you right click on an INF file, the Install option is not listed?"