Here is how you can do it: Users with a genuinely activated Windows 8, 8.1 or 7 need to download and run the Media creation tool, they will then have to enter their passkey given during purchase of their version of Windows they have or bought previously. This upgrades the system to run on windows 10 at no cost at all. A Reddit user, who claims to be working at Microsoft since before the launch of Windows 10 says that the limited period free upgrade was a marketing strategy to get more and more users to upgrade as soon as possible. This limited period offer did not need a product activation key. After the free upgrade period got over, users were required to get premium exclusive product activation keys. The Reddit user also said that “WDG didn’t care pretty much at all because Terry Meyerson at the time cared more about his upgrade stats than license revenue as Windows isn’t Microsoft’s cash cow anymore. It’s the same stance back in the day where Microsoft would allow Windows Updates on pirated copies of Windows 7 as the bigger picture was to thwart security threats based from those copies,” However, the user warned IT admins in corporations to not exploit this for large-scale free upgrades, which could land them in trouble. He warned users to be careful and choose to upgrade the current system keeping all data intact to convert the old Windows 7 license into a windows 10 digital license. If a user chooses to delete everything and start afresh, they lose the chance for a free upgrade. Windows 10 was introduced almost 5 years ago and is till date the best operating system released by Microsoft. The company has stuck to increasing the branding and the number of Windows 10 users has only increased year after year. Microsoft even introduced a limited period free upgrade program for devices running older versions of Windows to promote them to the latest version. As of March 2019, Windows 10 was running on 800 million computers worldwide. This is leaps and bounds ahead of Apple OS or Linux. For the latest gadget and tech news, and gadget reviews, follow us on Twitter, Facebook and Instagram. For newest tech & gadget videos subscribe to our YouTube Channel. You can also stay up to date using the Gadget Bridge Android App.