How to get Adobe Reader as an MSI file?
To get the MSI file, you will have to download the main package first. To do this, use the following page: https://get.adobe.com/reader/
Once you have the package, create a new folder on C: driver and name it however you want it, then start CMD using Start > Run > CMD and type: <name of the installer>.exe -sfx_ne -sfx_o"C:\foldername\". You'll find the MSI packages extracted in the target directory.
<name of the installer>.exe -sfx_ne -sfx_o"C:\foldername\"
Additional info: http://www.adobe.com/devnet-docs/acrobatetk/tools/AdminGuide/basics.html#end-user-installers