Install the plug-in using the following step-by-step process:
Download the zip package of Tapatalk Plugin for Kunena to your computer.
Unzip the package. You should see a folder named 'mobiquo' and a zip package named 'plg_system_tapatalk.zip'.
Upload the entire 'mobiquo' folder and only this folder to your Joomla! root directory. For example, if your Joomla! URL is http://www.mysite.com, it should be placed at http://www.mysite.com/mobiquo/.
Login to Administration Control Panel, go to 'Extensions' -> 'Extension Manager'.
Go to 'Install' section, select 'Upload Package File'. Click 'Choose File' button.
In the popup window, 'plg_system_tapatalk.zip' file. Click 'Open' button.
Click 'Upload & Install' button.
You will see 'Install plugin was successfully.' message.
Go to 'Manage' section. Search 'tapatalk'. You will see 'Tapatalk Kunena Plugin' listed.
Click the red button to enable Tapatalk Kunena Plugin.
You will see '1 extension successfully enabled.' message.