win8.1 Enterprise Edition upgrade win10 How to keep system file data
The Win8.1 Enterprise Edition does not support scheduled WIN10 systems and upgrades online.
Workaround:
1, download WIN10 Enterprise version of the official version of the ISO image;
2, the download of the ISO file extracted;
3, run Setup.exe start to upgrade the WIN10 system and can retain the original software and data.
On the activation issue, the Microsoft community says:
Downloading the Windows 10 Enterprise Installer allows you to preserve data upgrades, but unlike the retail and OEM markets for a volume-licensed version, whether you can get to the Windows 10 Enterprise installer depends on whether you or your enterprise purchased a Volume License SA (Software Assurance, Software security) New product versions (new product version) benefits, if purchased, can be upgraded to Windows 10 free of charge, and if not, it cannot be upgraded free of charge.