Obtain the utility from support.dell.com. As this is not a standard archive, you will need to run the executable, then navigate to the directory it created (usually c:\Dell\<number>).
Grab all files from the directory and import into the distribution share.
Installer is a plain MSI file. Use the following parameters to install:
msiexec -i "QuickSet.msi" /qb
Earlier versions of the Dell QuickSet utility (for Windows XP, generally) were InstallShield based, and use the silent installation syntax: