

People with access to these free or low-cost sources for Windows keys flip them for profit.

Many cut-rate keys are actually from volume licensing deals and re-sold illegally. You can find deals on used keys in the usual places like Craigslist or eBay but proceed with caution. This isn't a long-term solution, but it's a good option if you're saving money to buy the full version or only need Windows for a few months.

When the evaluation period expires, your computer will begin to shut down automatically every hour. The catch? Each license is only valid for 90 days.
