From this detailed guide, you can learn how to install OptiKlean Addon On Your Kodi.
OptiKlean isn't your typical automatic "cleaner": it's a true intelligent maintenance center for Kodi. From cache cleaning to SQLite database optimization to full settings backup, this add-on offers everything you need to keep your media center fast, stable, and clean.
With just one operation, you can:
- Free up space by deleting temporary and unused files.
- Delete remnants of disabled or uninstalled addons.
- Optimize Kodi's internal and add-on databases.
- Significantly improve the speed of the interface.
- Make custom backups and restores of skins, profiles, playlists, and configurations.
All with a clear, uncluttered interface and a handy “Clear All!” button to perform a complete cleaning in an instant
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 OptiKlean Kodi Addon
- 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 Settings (cog icon top left)
- Click File Manager
- Click None
-Type in the following EXACTLY https://deklica.github.io
- Click OK
- Click back on your remote/keyboard
- Click Add-ons
- Click Install from Zip File
- Click Deklica
- Click repository.dexe-x.x.x.zip.
- Wait for Add-On Enabled Notification
- Click Install from Repository
- Click dEXE's Addons Repository
- Click Program Add-Ons
- Click OptiKlean
- Click Install
- Wait till you can see the message Add-on installed pops up. That's it! You can now find you addon from main menu > Add-ons, enjoy.