What is Hiren’s Boot CD? It’s basically a bootable CD/USB with a plethora of tools that are freeware/shareware. Hiren’s Boot CD has a Bootable Windows Mini XP, which boots into your RAM and presents a GUI to launch all the tools, such as:Hire

Anti Virus
Windows Password Recovery (Clear the Windows password!)
Disk Cloning Tools (Inc Clonezilla, Ghost etc)
Hard Drive Deletion/Hard Drive Health Checks
System Tweaking Tools

There’s really a whole bunch of useful tools on here. If you’ve never never heard of it, I seriously recommend checking it out.