Microsoft has confirmed that the Windows 10 will come in seven different editions. "We designed Windows 10 to deliver a more personal computing experience across a range of devices," Microsoft's Tony Prophet wrote in a blog post. "An experience optimized for each device type, but familiar to all. Windows 10 will power an incredibly broad range of devices – everything from PCs, tablets, phones, Xbox One, Microsoft HoloLens and Surface Hub."
Consumer-Ready Editions
Windows 10 Home: This will replace Windows 8 Consumer and the one most users will see on their PCs, laptops and tablets. It will ship with Cortana and Microsoft's Edge browser and have Continuum capabilities. Xbox users will also be able to play Xbox Live games on PCs with Windows 10 Home.
Windows 10 Mobile: Formerly Windows Phone 8.1, this edition will run on smartphones and tablets with smaller displays. It will run universal Windows 10 apps.
For Companies
Windows 10 Pro: This will replace Windows 8.1 Pro. It's designed for small businesses, with extra features to allow companies to manage data across devices.
Windows 10 Enterprise: This will Windows 8.1 Enterprise and is designed for larger companies. It has more robust security features and also supports the Windows Update for Business program.
Windows 10 Mobile Enterprise: Formerly Windows Phone for Business. It gives companies more control over security features and how updates are installed.
For Schools And Connected Devices
Windows 10 Education: It gives admins more control over how updates and security features are managed and is available through academic volume licensing. Microsoft also says there will be "paths for schools and students using Windows 10 Home and Windows 10 Pro devices to upgrade to Windows 10 Education."
Windows 10 IoT Core: This edition will replace Windows Embedded and will power smaller connected devices, like gateways. (Larger-scale devices like ATMs and retail point-of-sale devices will run versions of Windows 10 Enterprise and Windows 10 Mobile Enterprise)
Source: Windows Blog, Mashable