How to Permanently Hacktivate Vista

By replacing a few of Vista's system files and stopping the activation countdown timer, you can essentially have an activated Vista system without activating Vista.

We won't reprint the steps here—and "we don't support piracy"—but in case you're interested you can read the full steps on keznews. It involves installing a Windows service (process), so if you're not entirely trusting of these guys not to steal all your CC info as you type it into Vista, you may want to skip this.

[kez news via Digg]