HP 280 G3, 290 G1 Microtower Business PC Specifications | HP® Customer Support
note:
In accordance with Microsoft support policy, HP does not support the Windows 8 or Windows 7 operating system on products configured with Intel and AMD 7th generation or later processors, or provide any Windows 8 or Windows 7 drivers.
1Not all features are available in all editions or versions of Windows. Systems might require upgraded and/or separately purchased hardware, drivers, software, or BIOS update to take full advantage of Windows functionality. Windows 10 automatic updates are always enabled. ISP fees might apply and additional requirements might apply over time for updates.
2This system is preinstalled with Windows 7 Pro software and also comes with a license and media for Windows 10 Pro software. Only one version of the Windows software can be used at a time. Switching between versions requires 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 data.
3Some devices for academic use automatically update to Windows 10 Pro Education with the Windows 10 Anniversary Update. Features vary; for more information, see Windows 10 Pro Education features.
4Only available with 7th generation Intel processors.