This plug-in is published in the official WordPress plug-in.

Click here for plug-in page
  1. Open the “Add New Plugin” page from the WordPress administration screen.
  2. From the “Add New Plug-in” page, search for the plug-in “Editor Template Files”.
  3. Install from the install button.
  4. Activate the plug-in.

※ Be sure to make a backup before executing.
※ Buttons, etc. will not be displayed until you activate the plug-in and add a template.