The Pi 3 handles Kodi very well and is something many can do for a cheap Kodi setup. If you have setup a Pi 2 with Kodi than the installation is the same.
There are two main install packages to install Kodi to a RasPi 3, OSMC and OpenELEC.
Which one is used is a preference, OSMC has a installer that make it easier while OpenELEC needs image writing software. There is free image writing software so both are free to download and install.
Raspberry Pi 3
A controller such as a USB mouse or keyboard.
Compatible Micro SD Card 8GB or Bigger. (32GB Max)
If you already have all the extra components such as a HDMI cable, SD-Card, and power supply than the only the RasPi 3 board will be needed.
If you don’t have all the extras than a whole kit can be bought.
CanaKit Raspberry Pi 3 Complete Starter Kit – 32 GB Edition
A SD-Card writer will be needed. If your computers are like mine and dont have a Micro-SD Card Writer than there are cheap USB to Micro-SD card writers.
Get this SD-Card Writer from Amazon which is very low cost and works good.
IOGEAR SD/MicroSD/MMC Card Reader/Writer, GFR204SD
How To Install KODI On a Raspberry Pi 2 or 3 Using OSMC
1… OSMC can be downloaded as an image file or with an Installer program.
Using the Installer program is quick and easy, simply download the right installer for the operating system you are using.
For example if your writing the files with a Windows PC than download the Windows Installer.
Download the latest OSMC Raspberry Pi Installer and build here https://osmc.tv/download/
OSMC is currently installing Kodi 17.5 but will likely update to 17.6.
13… Plug in the all the cables. The HDMI goes to a TV or Monitor. Here a Ethernet cable is plugged in from the router for internet, WiFi can also be used. A way to control it is needed such as a old USB keyboard and mouse.
Once the cables are setup plug in the power and it will boot up.
Kodi will now be installed to your Raspberry Pi, the next step is to setup add-ons which give it functionality.
How To Install KODI On a Raspberry Pi 3 Using OpenELEC
A Pre-built Kodi Image file is needed to be written to the SD-Card.
Download OpenELEC Image file here. http://openelec.tv/get-openelec
They keep changing the layout of the download page, simply look for Raspberry Pi2 and Raspberry Pi3 Image files. RasPi 2 Builds work fine on the RasPi 3.
After downloading the Image file it needs to be extracted. The file will be in a .GZ file format.
A Window based computer does not come with a built-in way to extract a.GZ file.
WinRAR or similar is needed to extract the file.
WinRAR can be downloaded here. http://www.rarlab.com/download.htm
Once the file is unzipped than it is ready to be written to the SD-Card.
I use Win32 Disk Imager to write files if you already have Image writing software then use it.
Here is the download to Win32 Disk Imager. https://sourceforge.net/projects/win32diskimager/
Insert your SD-Card into a SD-Card writer slot and open Win32 Disk Imager.
Be sure the correct drive is selected to write as Win32 Disk Imager will write to what ever it is set to!!
The first time it boots the WiFi or Ethernet need to be setup. I used the built-in WiFi with good results. Using a Ethernet connection maybe necessary for those in a crowded wireless environment or far from the router.
The Raspberry Pi 3 works very well with Kodi. The built in WiFi while not the best works well enough and streamed movies fine.
The Pi 3 is a big improvement over the Pi 2. The Pi 2 also will run Kodi but does freeze at times.
To get the most out of Kodi a repository needs to be added which will contain all the popular add-ons.
The install for repository and add-ons will be the same across all hardware platforms including the Raspberry Pi 3.