Windows 10 is free for Windows 7/8 customers and the upgrade course of is extremely clean. You want solely download the suitable information and likelihood is they’re already there. Create the media software of your selection and also you’re good to go. The Windows 10 upgrade course of will allow you to hold your apps and information intact and for those who have been operating a real version of Windows 7/8, you gained’t should enter a license key for the new OS. Now think about you probably did all that however later determined to do a clear install of Windows 10. The place does the license key come from now? In response to Microsoft, you’re Windows 7/8 key ought to do the trick however there’s one small trick to getting it to work.
When Windows 10 was launched, it didn’t settle for Windows 7/8 keys for activation. Microsoft nevertheless later stated that Window 10 might be activated with a license for one of many older variations that have been eligible for an upgrade. The one trick to it's that Windows 10 should have gotten the November 2015 replace and you need to have the suitable key to activate your version of Windows 10 (see image under).
For those who’ve achieved a clear install of Windows 10 and it's asking you to activate it, go to the Settings app and examine for updates. Install the updates out there till you have got the November updates, the version variety of which is 1511. To verify the version of Windows 10, go to the Settings app and within the System group of settings, go to the ‘About’ part and verify the version.
When you’re operating Windows 10 with the November 2015 replace, you need to use the Windows 7/8 license key that you've and activate Windows. For sure, the Windows 7/8 key have to be real for it to work.
Source : AddictiveTips.com