Only if you currently have a device running Windows 8 ‎(‎‎"‎Core‎"‎‎)‎ operating system can you upgrade to Windows 8 Pro ‎(‎Professional‎)‎ using this Windows 8 Pro Pack ‎(‎upgrade‎)‎ product‎.‎ Windows 8 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.‎The new Windows 8 start screen is your personalized home for items you use the most and can be customized according to your user preferences‎.‎ Windows 8 Live tiles provide real‎-time updates from your Facebook‎,‎ Twitter‎,‎ and e‎-mail accounts‎.‎ Along with the new Start screen‎,‎ the lock screen now includes e‎-mail‎,‎ calendar‎,‎ and clock widgets‎.‎To access your PC‎,‎ Microsoft has replaced a standard PIN or password with a swipe gesture‎;‎ unlock your PC by clicking or swiping preset locations you’ve selected on the lock screen‎.‎ New functions also allow you to search for your favorite software programs‎,‎ open‎,‎ close‎,‎ hide‎,‎ resize‎,‎ or run multiple apps simultaneously with the swipe of a finger or a swipe of the mouse‎.‎Windows has also made changes to make your PC more secure by boosting its existing security features and adding ‎"‎SmartScreen‎,‎‎"‎ which acts to prevent suspicious programs or apps from being installed or running on your machine‎.‎ Finally‎,‎ Windows 8 also gives you the ability to ‎"‎refresh‎"‎ itself to give users a new starting point and a cleaner version of Windows‎.‎System Requirements

1 GHz processor2 GB RAM20 GB available hard disk space1366 × 768 screen resolutionDirectX 9 graphics processor with WDDM driverAdditional Requirements to Use Certain FeaturesInternet access ‎(‎fees may apply‎)‎For touchscreen‎,‎ you need a tablet or a monitor that supports multi‎-touchMicrosoft account required for some featuresWatching DVDs requires separate playback softwareWindows Media Center license sold separatelyTo access the Windows Store and to download and run apps‎,‎ you need an active Internet connection and a screen resolution of at least 1024 x 768To snap apps‎,‎ you need a screen resolution of at least 1366 x 768