i need to deactivate win2k8 32bit std edition product key and activate that key in another machine help me regarding this

When you finish the installation you can call the activation number dispayed on the screen. Regards, Dave Patrick .... Microsoft Certified Professional -Microsoft MVP [Windows]

Hi, You do not need to deactivate the system. You can use the key to activate the other computer directly. For the original system, either not use it in the future or use another key to activate it. Tim Quan - MSFT