After you have entered the kodi, you will need to configure and enable the PVR IPTV Simple Client add-on. In most systems the plugin is pre-installed in kodi; except for the Arch Linux distribution and its derivatives. In this second case you will need to install the additional package with the PVR client (for Arch Linux Follow the Guide: Installing PVR IPTV Simple Client on Arch Linux).
If you do not like reading, watch the video guide explaining all the essential steps for configuring PVR IPTV Simple Client. Summarizing what's described in the video guide, you have to go to My System / Add-on / My Add-on / PVR Client and click on PVR IPTV Simple Client; in the window that will open click on Configure; In the configuration pane enter url playlist or list from memory of the device A vote closes the configuration window, you will find yourself in the Add-on Information window: Click on the Enable menu button to enable the plugin. Then press this button 3 times on the arrow in the bottom right corner of kodi to return to the main screen of the settings. Click on the side menu TV item and then on the first item in the General tab, Enabled, to enable the TV. Now restart the code and if everything has been configured properly, you will see that channels will be loaded; wait a few seconds for channel completion to be completed, click on the TV main menu entry and enjoy the TV.