SUPPORTED OPERATING SYSTEMSOPERATING SYSTEMWindows 7 Professional 64 (available through downgrade rights from Windows 10 Pro)OPERATING SYSTEM NOTEThis system is preinstalled with Windows 7 Professional software and also comes with a license and media for Windows 10 Pro software. You may only use one version of the Windows software at a time. Switching between versions will require you to uninstall one version and install the other version. You must back up all data (files, photos, etc.) before uninstalling and installing operating systems to avoid loss of your data.PROCESSORCHIPSETIntel® C236PROCESSOR SPEED3.4 GHzPROCESSOR FAMILYIntel® Core™ i7 processorPROCESSORIntel® Core™ i7-6700 with Intel HD