There are some programs i always install when i first setup a new Windows Installation due to how useful they are here are what i always recommend.
A Free Utility for doing everything you need to with Partitions.
Need to repair your Boot menu or edit your Dual-Boot options, this is a must have.
Windows 7 USB Tool:
Make your USB stick a bootable device to install Windows 7 or 8.
For Unpacking zip files and rar archives.
For editing text files, for writing Source code its a must have.
Daemon Tools Lite:
Mount and mange your ISO Files.
A great tool that tells you where all your free hard drive space is going.
Video VLC Player:
No messing around with Video Codecs, simple clever and it does eveything from playing video’s to audio to lots more.
Still the best Mp3 Player in my Opinion