Changes
→Downloading Foxit Enterprise Reader MSI installer
* MSI installer for 5.1.4.1124: http://cdn01.foxitsoftware.com/pub/foxit/reader/desktop/win/5.x/5.1/enu/EnterpriseFoxitReader514.1124_enu.msi
* MSI installer for 5.3.1.0606: http://cdn01.foxitsoftware.com/pub/foxit/reader/desktop/win/5.x/5.3/enu/FoxitReader531.0606_enu.msi
* MSI installer for 5.3.1.0606: http://cdn01.foxitsoftware.com/pub/foxit/reader/desktop/win/5.x/5.3/enu/EnterpriseFoxitReader531.0606_enu.msi (this version hasn't been announced on their web site, but it is the version Foxit Software give you when you sign up)
Alternatively, if you have access to an old version of the MSI installer: