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Changing the Windows Product Key

This article was been published more than a year ago. The information may be outdated.

A while back I was unfortunate enough to run across a pirated copy of Windows on one of my computers. Naturally, I had a legal Product Key, but how to change the Product Key so that you’re not bugged by the Windows Genuine Advantage utility?

The whole process is pretty simple, as Microsoft has made a tool to do just this. All you need to do is download it, run it, and the utility does the rest of the job.

The utility is called Windows Product Key Update Tool, and can be found here. Once downloaded, you simply need to run it, and follow the instructions. The tool starts by validating the system, and then asks you to copy and paste your 25-character product key:

Please type or paste your 25-character Product Key

Once this is done, the tool will pretty much do the job all on its own, so all you need do is sit back, relax, and wait until it’s done.

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