Activation Reset

This is not an illegal crack. According to the Sysprep Technical Reference, this method can be used to delay the activation requirements in Vista.
After the installation of Vista you have 30 days to activate.

Failing to active will limit the system to Reduced Functionality Mode (RFM).


Using the following command, you can reset Vista's activation clock up to 3 times.

This can be done by running the following command from a command prompt:

\windows\system32\sysprep /generalize