Microsoft Windows 8.1 Pro Pack

$159.99    $160.13

Only if you currently have a device running Windows 8.1 Core operating system can you upgrade to Windows 8.1 Pro (Professional) using this Windows 8.1 Pro Pack (upgrade) product. Windows 8.1 Pro allows you to connect and share your files and also adds enhanced features if you need to connect to company networks access remote files, encrypt sensitive data and access to other more advanced tasks.