Microsoft has finally released the RTM version of Windows 10. We already know Windows 10 comes with lot of new features including Cortana digital assistant, Edge browser, new start menu and whole lot of features.Microsoft has already made it clear that if you upgrade from Windows 7 or Windows 8.1 in the first year of release, the upgrade is offered free of cost.
If you have the latest version of Windows 8.1 or Windows 7 with Service Pack, you will be able to directly upgrade to Windows 10. You can either upgrade directly from the Windows update or use the media creation tool to start the upgrade process.
If you have downloaded the ISO, you can even upgrade using the ISO file. The video below shows how to upgrade to Windows, step by step tutorial.
Related Reading: How to Upgrade from Windows XP to Windows 10