Windows Installer

Windows Installer V5.0.7600.16385
msiexec /Option Product.msi (Optional Parameter)

Example:
msiexec.exe /i Product.msi /q

You can control the install directory by passing it as a parameter to the install.
For example, to install to e:\SomeDirectory
msiexec.exe /i Product.msi /q INSTALLDIR=e:\SomeDirectory

Display Options:
/quiet – Quiet mode, no user interaction
/passive – Unattended mode – progress bar only
/q[n|b|r|f] – Sets user interface level
n – No UI
b – Basic UI
r – Reduced UI
f – Full UI (default)
/help – Help information