From this detailed guide, you can learn how to install NewPipe Addon On Your Kodi.
NewPipe brings the NewPipe Android app philosophy to Kodi: watch YouTube with no account, no official API key, no tracking — everything personal stays in plain JSON files inside the addon profile on your own device.
this installation guide applies to all compatible devices including Amazon Firestick, Fire TV, Android & iOS, Mac, Windows, Android TV, Android Boxes, etc.
How To Install NewPipe Kodi Addon.
No Source repo For NewPipe Repository just a direct link.
First download plugin.video.newpipe-1.4.32.zip From Here and save it at location where from you can easily access it.
- Open Kodi
- Be sure to have the Unknown Source box checked as Kodi requires this before installing 3rd party add-ons.
- HOME Screen > Add-ons > Settings button 
> Add-ons > Enable Unknown Sources.
- From your Home Click Add-ons
- Click the Add-on Browser Icon
- Navigate to where you saved the ZIP file that you downloaded Select plugin.video.newpipe-1.4.32.zip
- Wait for Add-On Enabled Notification
