In this video i have shown you How to upgrade your windows 7/8/8.1 to windows 10 for free by using windows10 upgrade Assistance. You can download the software for just 5.5mb for free. The link is given below

https://www.microsoft.com/en-us/accessibility/windows10upgrade

This will not wipe any data so it is safe. This software is trusted as it is provided by Microsoft. So no need to worry for any kind of data and virus.

If you have any kind of doubts or Query comment below

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