Windows 8.1 AIO (All in One) Pre-Activated Versions x86

Windows 8.1 All in One (AIO) Pre-Activated Version

Windows 8.1 Pro x86 and x64 Microsoft built Windows 8 to bring a modern computing experience to businesses and to help professionals stay connected to their colleagues and clients from anywhere, anytime. Windows 8.1 advances this vision and introduces new manageability, mobility, security, user experience and networking capabilities–with the goal of offering customers the best business tablets and versatile modern business PCs driven by the most powerful operating system designed for today’s modern businesses.
Bring Your Own Device (BYOD) Enhancements

Workplace Join
Work Folders
Open MDM
Mobile Device Management
Web Application Proxy
RDS Enhancements
NFC Tap to pair Printing
Wi-Fi Direct Printing
Native Miracast Wireless Display

Mobility Enhancements

VPN
Auto-triggered VPN
Mobile Broadband
Windows To Go
Broadband Tethering

Security Enhancements

Remote Business Data Removal
Improved Biometrics
Pervasive Device Encryption
Improved Internet Explorer
Malware Resistance
Device Lockdown

Modern UI Experience

Variable, Continuous Size of Snap Views
Boot to Desktop
Desktop and Start Screen

On April 8, 2014, Microsoft released the "Windows 8.1 Update", which included all past updates plus new features. It was unveiled by Microsoft vice president Joe Belfiore atMobile World Congress on February 23, 2014, and detailed in full at Microsoft's Build conference on April 2. Belfiore noted that the update would lower the minimum system requirements for Windows, so it can be installed on devices with as little as 1 GB of RAM and 16 GB of storage.