x64 plugin list

1. Dowload the plugin and extract the plugin dll file.
2. Place the plugin.dll file under plugin folder of notepad++ installation. For me it was : C:\Program Files\Notepad++\plugins
3. Start Notepad++ as an elevated administrator and then go to: Settings -> Import -> Import plugin(s)... (import the plugin).
4. Notepad++ will show the restart message. / Sometimes it may not show it.
5. Restart the notepad++.
6. Should see new plugin under the Plugins menu. ALL DONE!!

references:

How to install a Notepad++ plugin offline? - Stack Overflow