The operating system will come in three versions, first, Windows 8, for home PCs and laptops. Second, Windows 8 Pro, for enthusiasts and professionals, and third, Windows RT, for devices running low-power Arm processors, such as tablet devices and lightweight ultrabooks.
The below chart breaks down key features by edition (this list should not be considered an exhaustive list of features):
Feature name | Windows 8 | Windows 8 Pro | Windows RT |
Upgrades from Windows 7 Starter, Home Basic, Home Premium |
x |
x |
|
Upgrades from Windows 7 Professional, Ultimate | x | ||
Start screen, Semantic Zoom, Live Tiles | x | x | x |
Windows Store | x | x | x |
Apps (Mail, Calendar, People, Messaging, Photos, SkyDrive, Reader, Music, Video) | x | x | x |
Microsoft Office (Word, Excel, PowerPoint, OneNote) | x | ||
Internet Explorer 10 | x | x | x |
Device encryption | x | ||
Connected standby | x | x | x |
Microsoft account | x | x | x |
Desktop | x | x | x |
Installation of x86/64 and desktop software | x | x | |
Updated Windows Explorer | x | x | x |
Windows Defender | x | x | x |
SmartScreen | x | x | x |
Windows Update | x | x | x |
Enhanced Task Manager | x | x | x |
Switch languages on the fly (Language Packs) | x | x | x |
Better multiple monitor support | x | x | x |
Storage Spaces | x | x | |
Windows Media Player | x | x | |
Exchange ActiveSync | x | x | x |
File history | x | x | x |
ISO / VHD mount | x | x | x |
Mobile broadband features | x | x | x |
Picture password | x | x | x |
Play To | x | x | x |
Remote Desktop (client) | x | x | x |
Reset and refresh your PC | x | x | x |
Snap | x | x | x |
Touch and Thumb keyboard | x | x | x |
Trusted boot | x | x | x |
VPN client | x | x | x |
BitLocker and BitLocker To Go | x | ||
Boot from VHD | x | ||
Client Hyper-V | x | ||
Domain Join | x | ||
Encrypting File System | x | ||
Group Policy | x | ||
Remote Desktop (host) | x |