[CentOS] Virtualization software to install Windows as guest on CentOS 5 as host ?

Christopher Chan wrote:
> On Thursday, February 04, 2010 03:48 PM, Hadi Motamedi wrote:
>   
>> Dear All
>> I need to install Windows as guest on my CentOS 5 as host . Can you
>> please give me the link to download the requierd rpm package for this
>> purpose ?
>> Thank you
>>     
>
> yum install kvm
>
> Then search for virtio drivers. Redhat provides virtio block drivers for 
> Windows Vista, 7, 2008.
>   

I may be mistaken, but I thought those were only available to RHN 
subscribers, and are not open source or free to redistribute.