Video on kingroot firetv 1st gen

Could anybody on this site put up a video on how to root the 1st firetv using kingroot and were to download the version 4.1 kingroot as a lot of people are bricking there devices i want to root my device but not 100% on how to do this would be nice to see a video before i try it as I don't want to brick my device hopefully someone on this site can help a noob here

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