I found a really good video explaining this better then me :P
The first thing you want to do it download Stable Release: Kodi 14.0 “Helix” from kodi.tv/download if you don't already have it.
Note: This will work for Windows, Linux, Android and Mac users so don't worry :D
If you need more info or you are just looking for more please visit kodi.wiki/view/First_time_user
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