As shown above, right-click the new content is very complicated, and that the following practices can be custom modifications for new content.
delete
win + R -> type regedit to open the registry -> Open HKEY_CLASSES_ROOT
in this directory, we can see a lot suffix. If we want to remove the .txt new fast, then we can find .txt, then ShellNew item can be deleted in its catalog.increase
In the same manner, in the suffix in the directory to be added, the new entry ShellNew, which then create a string value, FileName is the name, can take any value.