1. It’s Free
One of the biggest new developments in the Windows 10 story is that it will be completely free to upgrade. Microsoft made this announcement at its January event in Redmond.
The firm has said it will be available at no charge for the first year (although it may end up extending that) for Windows 8.1 and Windows Phone 8.1 users. It will also be free if you’re still running Windows 7.
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