First thing you need to do after install Windows 8

install cinst https://gist.github.com/mingderwang/5298767


just type following commnds in your "Command" window (DOS window)

@powershell -NoProfile -ExecutionPolicy unrestricted -Command "iex ((new-object net.webclient).DownloadString('http://chocolatey.org/install.ps1'))" && SET PATH=%PATH%;%systemdrive%\chocolatey\bin


then you can use "cinst" to install a lots of apps, such as Google Chrome, ..

see the packages list you can download with "cinst" command in URL bellow: http://chocolatey.org/packages