If you are on a non-android device your Kodi 17.6 Krypton will automatically close, if you are on an android device like an Amazon Firestick you will have to unplug your device’s power and then turn it back on again.Wait for the download to automatically download, extract and install.Go to the bottom, find the Apollo Build and Install.Click Get build PIN from here (if required).
Click the install add-on box in the top left corner.Give the source a name you will remember e.g.
Desktop PC, Laptop, Android Device, Amazon Fire TV Stick etc)
In the following guide I will be showing you how to Install the Apollo build on Kodi 17.6 Krypton.