You don’t need a valid license to run a Windows 10 Insider Preview Build on your PC. Each build is time-limited, but a new version will be released before the previous one expires. Provided you keep updating your system to the latest build, you’ll have no problems. However, if you’ve installed a preview build and not updated it -- hey, free Windows! -- Microsoft is about to flip a kill switch that will stop it working entirely. Starting from tomorrow, September 15th, older versions of Insider builds will begin displaying daily build expiration notifications. If you fail to take action,… [Continue Reading]