A built-in virtualization platform for running multiple operating systems in virtual machines.

Windows 8.1 Pro included everything in the standard edition plus several advanced tools aimed at productivity and security:

Provides full-disk and removable drive encryption to protect sensitive data.

As a "full" update to Windows 8, this version addressed major user complaints: Windows 8.1 New Features

Enables the PC to host a remote connection, allowing users to access it from another device.