This is pretty simple, cause it´s a .msi Installer.
msiexec /i Brackets.Release.1.3.msi /qn /L*v %TEMP%\Brackets_1.3.log
For more information about msi command line parameters take a look at the following Microsoft Page:
http://technet.microsoft.com/en-us/library/cc759262(v=ws.10).aspx
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