as it's all over the web , we shouldn't have to duplicate the discussion
Link > http://www.howtogeek.com/225048/how-to-upgrade-from-windows-7-or-8-to-windows-10-right-now/
Albert Onkoba here, I am using Windows 8 operating system and i want to upgrade my system to Windows 10. Is it possible to update? What are the requirements?