Failure phenomenon:
Pre-installed Office2016 Family Student version, has not been activated has uninstalled other genuine Office installed, but open this genuine office, repeatedly receive activation prompts.
Reason Analysis:
Due to the prior uninstallation of the Office 2016 home student edition.
Solution:
Important NOTE: This article contains information about modifying the registry. Be sure to back up the registry before you modify it, and be sure to know how to restore the registry if a problem occurs.
1, click on the Start menu to run or press the "win+r" shortcut key to open the operation;
2, type regedit, and then press ENTER.
3. Locate and select the following registry subkey?
Hkey_local_machine\software\wow6432node\microsoft\office\16.0\common\oem and Hkey_local_machine\software\ Microsoft\office\16.0\common\oem
4, click Edit separately-delete.
5, exit Registry Editor.