メトロアプリでも従来のデスクトップアプリでも無いからが答え
http://download.microsoft.com/download/E/7/6/E76F20B8-2108-4C78-A1EC-45E7A5195BAE/DevelopinganewexperienceDesktopBrowser.docx
* New experience enabled desktop browsers may be distributed via existing channels,
for example, web download, network share, OEM pre-install, or systems management software.

* New experience enabled desktop browsers may be deployed via existing desktop app deployment methods,
for example, MSI packaged, Click-Once installer, or .ZIP archive extraction with file copy.