In this tutorial, i will show you the detailed and simple process to install Chain Reaction Addon on Kodi 18.4 & other older Leia versions. The method outlined here work on all devices which Kodi supported, including Amazon Firestick/ Fire TV/ Android & IOS mobile devices, Windows & Mac computer, Android TV Boxes...
Chain Reaction is a brand new All in one kodi addon by Absolution which help you watch alot of media contents
After installed this AIO addon on your kodi. Open it, you'll see the main menu with many sections including:
- Movies
- TV Shows
- Kids Zone
- WWE Universe
- Documentaries
- Music zone
- Add-ons (Ghost & The Mad Titan)
- Adult
- Authorize Real-Debrid
- Authorize Trakt
- & Search tool
The newest version of Kodi Chain Reaction is v1.0.2 that has updated few days ago from December 8th, 2019. You can found this addon from Ezzermacs wizard repository, the newest url address of this repo has been updated in our guide below:
If you need some other good & working addons, few name of the kodi addons working similar as Chain Reaction. Check out the list below:
How to install Chain Reaction Kodi Addon:
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• Now, open your Kodi
• From the home kodi screen, click System Settings Button 
• Click on File manager 
• Then scroll down to select Add source
• A box will popup, select <None>
• In media location box, you need type exactly this url:
http://www.ezzer-mac.com/repo & click OK to confirm
• In media source box, give for it a name, ex: ezz & continue click OK to confirm
• Go back to home Settings menu, then select the tab Add-ons
• Now, select Install from zip file
• Find and click the line ezz in your list
• Continue select repository.EzzerMacsWizard-x.x.x.zip (select newest version)
• Wait few seconds, you'll see a notification say that "Ezzermacs Wizard Repo Add-on installed", go to next steps
• Now, select Install from repository
• Scroll down to find & select Ezzermacs Wizard Repository from your repositories list
• Select Video-addons
• Find and select Chain Reaction add-on
• Click Install button to begin install this addon on your kodi
• A popup will appear & say you must install some script/ plugin/ module/ scrapers or add-ons that this aio add-on requried to install. Click OK
• Pls patient, this process will spent fews seconds or longer...All process will finished after you see the kodi's notification say that "chain.,.reaction.,.addon.,.installed".