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Published on 02.19.07 by Brent Trahan

Install Windows Vista without a Product Key

Learn how to install any version of Windows Vista without a product key and use it legally for 30 days.


Yes you can install any version of Windows Vista without a product key and legally use it for 30 days. Microsoft made this possible to cut down piracy.

How it’s done

  1. During a clean install or upgrade of Windows Vista you’ll be asked for your product key.


    Leave the product key box empty and click Next.

  2. Click No in the message that pops up.


  3. Select the version of Windows Vista you want to install and check off I have selected the edition of Windows that I purchased, and then click Next.


This full featured evaluation version of Windows Vista will run for 30 days without being activated.

There is a way to make your evaluation copy of Windows Vista work for up to 120 days without activating. Click here to find out how it’s done.

Still need help? Ask your computer question now.

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