At today's event on Windows 10 of Microsoft, the company announced the good news for several Windows friends.
All its customers using Windows 7, 8 and 8.1 will be able to upgrade their systems to Windows 10, completely free.
Microsoft said the free upgrade would be valid for the first year immediately after release. The same applies to Windows Phone 8.1.
Terry myerson, Microsoft's VP of Windows, said the company wants to make it a "smooth upgrade" for all users when Windows 10 is released.
Information - Photos TNW