After Win10 upgrade, the system version of the system is back to

. Many users directly upgrade Win10 from Win8.1 or Win7. After the experience, they feel that it is not suitable for daily use. Some users' Win10 previews are automatically upgraded to the latest version, but users want to restore to the old version. We can roll the computer back to the previous system version with the advanced boot option.
Note: The prerequisite for rolling back the previous system version is that the Windows.old file cannot be deleted or cleaned up after the upgrade.
Operating steps:
1. Click the Start menu and select the setting option.

2. In the setting interface, click “Update&security”;

3, then select “Restore”, and click the restart button under the advanced startup;

4, after the Win10 system will restart, after reaching "advanced startup", we click "& trouble" "troubleshoot>; Br>