Dear
> 1. joomla_medialibrary_classic_v3_j365_2017_04_12
This is ordasoft medialibrary_classic template. You need install it like Joomla
as result you receive site:
ordasvit.com/joomla-media-library/
> 2. plug_community_builder_mymedias_2018_01_26
This plugin for "Community builder"
This plugin you need install from "Community builder:
lugin manager"
extensions.joomla.org/extension/community-builder/
Regards
Andrew