Win10: Win8.1/Win7 tutorial, win8.1win7
Win10 has started large-scale push, and some users have successfully upgraded, but the newly upgraded Win10 will inevitably fail. How can we return Win8.1/Win7 after the upgrade? Detailed Win10 downgrade Win8.1/Win7 tutorials for your reference.
After many users have joined Windows 10, it is inevitable that some users need to downgrade to the original Windows 7/Windows 8.1 system for various reasons. In general, if you want to downgrade to a lower version of the operating system. This is basically the format and reinstallation method. However, in the Win10 era, because a large number of users upgraded from Win7/Win8.1, Microsoft provided a more user-friendly downgrade option for these users: System rollback.
However, it should be noted that this "regret medicine" function has a "Shelf Life": it can be used within one month after the successful upgrade to win10. it will not expire. That is to say, if you regret it in a month, you can only use the traditional "simple and rude" method to format and reinstall it.
In addition, we also need to remind you that if you want to repent after successful win10. Windows. old, the system folder retained in Win7/Win8.1, cannot be deleted. This is the root of regret. Once you want to roll back to a lower version of Windows within a month, you must first ensure that the original operating system file actually exists. After the folder is deleted, you can only downgrade Win10 by formatting and reinstalling it.